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- 3. *OBJECTIVE
At the end of the lesson,
you will be able to construct Binomial
Expansion by using Pascal Triangle
- 7. p 2q
1
4
a
1
n
1
b
1
1
Expand the expression by using Pascal Triangle.
1
2
3
4
1
3
6
1
4
1
( p 2q) 4 a nb0 a n1 b a n2 b2 a n3 b3 a n4 b4
( p 2q) 4 p 2q p 2q p 2q p 2q p 2q
4
0
3
1
1
2
2
3
2
1
3
4
( p 2q) 4 p 4 1 p3 2q p 2 4q 2 p 8q3 116q 4
( p 2q) 4 p 4 2 p3q 4 p 2 q 2 8 pq3 16q 4
1
4
6
4
1
( p 2q) 4 p 4 8 p3q 24 p 2 q 2 32 pq3 16q 4
0
5
4
- 8. m
2
4
1
3
1
n
1
b
a
1
2
3
Expand the expression by using Pascal Triangle.
(2
m 3
) a nb 0 a n 1 b a n 2 b 2 a n 3 b3
4
0
1
2
m
3 m
2 m
1 m
0 m
(2 )3 2 2 2 2
4
4
4
4
4
1
2
3
m2
m3
m 3
m
(2 ) 81 4 2
16 1 64
4
4
1
(2
3
3
m 3
3
1
) 8 3m m 2 m3
4
8
64
1
4
1
3
1
3
1
- 9. EXERCISE
Expand all the questions below by using Pascal Triangle.
1
2 x
6
2 1
x
x
2
2 x 11
7
3
p 2q 5
8
3x 26
11
4
x 2
2 x
5
(2 x 3 y ) 4
5
9
10
2y
7
1
1
3
a b3
x
1
e
5
4
x 5