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Mathematics T STPM PAPER 1 ( 30 minutes )
                                  Quiz 1 : Chapter 3 Sequences & Series
                        1
1. ( i ) Express              in partial fraction
                   r ( r + 1)
                                    n         1
    ( ii ) Find an expansion for ∑                  and state whether or not the series is convergent.   [ 6 marks ]
                                    r =1 r ( r + 1)

                             2      1        1
2. ( i ) Given that               = −             , by using the method of differences, show that
                         x( x + 2) x x + 2
          n        1      3        2n + 3                           ∞        1
         ∑               = −                       and determine   ∑               .
         x =1 x ( x + 2)  4 2(n + 1)( n + 2)                       x =1 x ( x + 2)

                                              1       1      1               1
   ( ii) Find the sum of the series               +      +      + ... +                                  [8
                                           1× 3 2 × 4 3 × 5              9 × 11
marks ]
                                              &&
3. Express the recurring decimal 0.236 as a rational number in its lowest form.                          [ 4 marks ]




                            Mathematics T STPM PAPER 1 ( 30 minutes )
                                  Quiz 1 : Chapter 3 Sequences & Series
                        1
1. ( i ) Express              in partial fraction
                   r ( r + 1)
                                    n         1
    ( ii ) Find an expansion for ∑                  and state whether or not the series is convergent.   [ 6 marks ]
                                    r =1 r ( r + 1)

                             2      1        1
2. ( i ) Given that               = −             , by using the method of differences, show that
                         x( x + 2) x x + 2
          n        1      3        2n + 3                           ∞        1
         ∑               = −                       and determine ∑                 .
         x =1 x ( x + 2)  4 2(n + 1)( n + 2)                       x =1 x ( x + 2)

                                              1       1      1               1
   ( ii) Find the sum of the series               +      +      + ... +                                  [8
                                           1× 3 2 × 4 3 × 5              9 × 11
marks ]
                                              &&
3. Express the recurring decimal 0.236 as a rational number in its lowest form.                          [ 4 marks ]




                            Mathematics T STPM PAPER 1 ( 30 minutes )
                                  Quiz 1 : Chapter 3 Sequences & Series
                        1
1. ( i ) Express              in partial fraction
                   r ( r + 1)
                                    n         1
    ( ii ) Find an expansion for ∑                  and state whether or not the series is convergent.   [ 6 marks ]
                                    r =1 r ( r + 1)

                             2      1        1
2. ( i ) Given that               = −             , by using the method of differences, show that
                         x( x + 2) x x + 2
          n        1      3        2n + 3                          ∞        1
         ∑               = −                       and determine ∑                .
         x =1 x ( x + 2)  4 2(n + 1)( n + 2)                      x =1 x ( x + 2)
1     1     1             1
   ( ii) Find the sum of the series       +     +      + ... +                                [8
                                      1× 3 2 × 4 3 × 5         9 × 11
marks ]
                                    &&
3. Express the recurring decimal 0.236 as a rational number in its lowest form.               [ 4 marks ]

                         Mathematics T STPM PAPER 1 ( 30 minutes )
                                Quiz 2 : Chapter 3 Sequences & Series
                                             10
                                          1
1. In the binomial expansion of  3x +  , find
                                          x
   ( i ) the fourth term
   ( ii ) the term independent of x                                                                [5
   marks ]
                  1 + x + x2
                             1 in ascending power of x up to and including the term in x .
                                                                                        2
2. ( i ) Expand
                   (1 + 2 x) 2
   ( ii) State the set of values of x for which this expansion is valid.                     [ 6 marks ]
3. Prove that, if x is so small that terms in x 3 and higher powers may be neglected, then

     1+ x          1                          1                         384
          = 1 + x + x 2 + ...   By putting x = , show that       7=                          [ 7 marks ]
     1− x          2                          8                         145



                         Mathematics T STPM PAPER 1 ( 30 minutes )
                                Quiz 2 : Chapter 3 Sequences & Series
                                             10
                                          1
1. In the binomial expansion of  3x +  , find
                                          x
   ( i ) the fourth term
   ( ii ) the term independent of x                                                                [5
   marks ]
                  1 + x + x2
                             1 in ascending power of x up to and including the term in x .
                                                                                        2
2. ( i ) Expand
                   (1 + 2 x) 2

   ( ii) State the set of values of x for which this expansion is valid.                     [ 6 marks ]
3. Prove that, if x is so small that terms in x 3 and higher powers may be neglected, then

     1+ x          1                        1                         384
          = 1 + x + x 2 + ... By putting x = , show that        7=                           [ 7 marks ]
     1− x          2                        8                         145



                         Mathematics T STPM PAPER 1 ( 30 minutes )
                                Quiz 2 : Chapter 3 Sequences & Series
                                             10
                                          1
1. In the binomial expansion of  3x +  , find
                                          x
   ( i ) the fourth term
   ( ii ) the term independent of x                                                                [5
   marks ]
                  1 + x + x2
                             1 in ascending power of x up to and including the term in x .
                                                                                        2
2. ( i ) Expand
                   (1 + 2 x) 2
( ii) State the set of values of x for which this expansion is valid.                     [ 6 marks ]
3. Prove that, if x is so small that terms in x 3 and higher powers may be neglected, then

     1+ x          1                          1                      384
          = 1 + x + x 2 + ...   By putting x = , show that      7=                           [ 7 marks ]
     1− x          2                          8                      145

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Q uiz sequence n series...stpm

  • 1. Mathematics T STPM PAPER 1 ( 30 minutes ) Quiz 1 : Chapter 3 Sequences & Series 1 1. ( i ) Express in partial fraction r ( r + 1) n 1 ( ii ) Find an expansion for ∑ and state whether or not the series is convergent. [ 6 marks ] r =1 r ( r + 1) 2 1 1 2. ( i ) Given that = − , by using the method of differences, show that x( x + 2) x x + 2 n 1 3 2n + 3 ∞ 1 ∑ = − and determine ∑ . x =1 x ( x + 2) 4 2(n + 1)( n + 2) x =1 x ( x + 2) 1 1 1 1 ( ii) Find the sum of the series + + + ... + [8 1× 3 2 × 4 3 × 5 9 × 11 marks ] && 3. Express the recurring decimal 0.236 as a rational number in its lowest form. [ 4 marks ] Mathematics T STPM PAPER 1 ( 30 minutes ) Quiz 1 : Chapter 3 Sequences & Series 1 1. ( i ) Express in partial fraction r ( r + 1) n 1 ( ii ) Find an expansion for ∑ and state whether or not the series is convergent. [ 6 marks ] r =1 r ( r + 1) 2 1 1 2. ( i ) Given that = − , by using the method of differences, show that x( x + 2) x x + 2 n 1 3 2n + 3 ∞ 1 ∑ = − and determine ∑ . x =1 x ( x + 2) 4 2(n + 1)( n + 2) x =1 x ( x + 2) 1 1 1 1 ( ii) Find the sum of the series + + + ... + [8 1× 3 2 × 4 3 × 5 9 × 11 marks ] && 3. Express the recurring decimal 0.236 as a rational number in its lowest form. [ 4 marks ] Mathematics T STPM PAPER 1 ( 30 minutes ) Quiz 1 : Chapter 3 Sequences & Series 1 1. ( i ) Express in partial fraction r ( r + 1) n 1 ( ii ) Find an expansion for ∑ and state whether or not the series is convergent. [ 6 marks ] r =1 r ( r + 1) 2 1 1 2. ( i ) Given that = − , by using the method of differences, show that x( x + 2) x x + 2 n 1 3 2n + 3 ∞ 1 ∑ = − and determine ∑ . x =1 x ( x + 2) 4 2(n + 1)( n + 2) x =1 x ( x + 2)
  • 2. 1 1 1 1 ( ii) Find the sum of the series + + + ... + [8 1× 3 2 × 4 3 × 5 9 × 11 marks ] && 3. Express the recurring decimal 0.236 as a rational number in its lowest form. [ 4 marks ] Mathematics T STPM PAPER 1 ( 30 minutes ) Quiz 2 : Chapter 3 Sequences & Series 10  1 1. In the binomial expansion of  3x +  , find  x ( i ) the fourth term ( ii ) the term independent of x [5 marks ] 1 + x + x2 1 in ascending power of x up to and including the term in x . 2 2. ( i ) Expand (1 + 2 x) 2 ( ii) State the set of values of x for which this expansion is valid. [ 6 marks ] 3. Prove that, if x is so small that terms in x 3 and higher powers may be neglected, then 1+ x 1 1 384 = 1 + x + x 2 + ... By putting x = , show that 7= [ 7 marks ] 1− x 2 8 145 Mathematics T STPM PAPER 1 ( 30 minutes ) Quiz 2 : Chapter 3 Sequences & Series 10  1 1. In the binomial expansion of  3x +  , find  x ( i ) the fourth term ( ii ) the term independent of x [5 marks ] 1 + x + x2 1 in ascending power of x up to and including the term in x . 2 2. ( i ) Expand (1 + 2 x) 2 ( ii) State the set of values of x for which this expansion is valid. [ 6 marks ] 3. Prove that, if x is so small that terms in x 3 and higher powers may be neglected, then 1+ x 1 1 384 = 1 + x + x 2 + ... By putting x = , show that 7= [ 7 marks ] 1− x 2 8 145 Mathematics T STPM PAPER 1 ( 30 minutes ) Quiz 2 : Chapter 3 Sequences & Series 10  1 1. In the binomial expansion of  3x +  , find  x ( i ) the fourth term ( ii ) the term independent of x [5 marks ] 1 + x + x2 1 in ascending power of x up to and including the term in x . 2 2. ( i ) Expand (1 + 2 x) 2
  • 3. ( ii) State the set of values of x for which this expansion is valid. [ 6 marks ] 3. Prove that, if x is so small that terms in x 3 and higher powers may be neglected, then 1+ x 1 1 384 = 1 + x + x 2 + ... By putting x = , show that 7= [ 7 marks ] 1− x 2 8 145