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POLITEKNIK KOTA BHARU


                           JABATAN MATEMATIK, SAINS & KOMPUTER

                             Assesment        : TUTORIAL 1
                             Sesion           : DISEMBER 2011
                             Programme        : ELECTRICAL ENGINEERING
                                                CIVIL ENGGINEERING
                                                MECHANICAL ENGINEERING

                             Date             :


                          B2001 – ENGINEERING MATHEMATICS


                             Instruction:
                             1.   Answer all question


1. Solve the problem of z+w dan z-w                                       (6 marks)

        a. z=3+3i ; w=2-2i

2. Solve the problem above

        a. (3+4i)(4-2i)                                                    (5 marks)


3. Find the value of a and b for this equation (5+2i)(a+ib)=1-2i
                                                                            (5 marks)


4. Solve the problem of z1 + z2 and z1 - z2 on the Argand Diagram           (10 marks)

            z1 = 2+3i
            z2 = 3-4i

5. Calculate the modulus and argument of (4+3i)(2-i)                          (7 marks)


6. Using calculator, express each of complex number in polar , trigonometry and exponential form
                                                                              (6 marks)
       a. 4-5i
       b. 3+4i

           0
7. (5 < 45 ) * 4(cos 60 + isin 60)

                                                                            (7 marks)

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T1

  • 1. POLITEKNIK KOTA BHARU JABATAN MATEMATIK, SAINS & KOMPUTER Assesment : TUTORIAL 1 Sesion : DISEMBER 2011 Programme : ELECTRICAL ENGINEERING CIVIL ENGGINEERING MECHANICAL ENGINEERING Date : B2001 – ENGINEERING MATHEMATICS Instruction: 1. Answer all question 1. Solve the problem of z+w dan z-w (6 marks) a. z=3+3i ; w=2-2i 2. Solve the problem above a. (3+4i)(4-2i) (5 marks) 3. Find the value of a and b for this equation (5+2i)(a+ib)=1-2i (5 marks) 4. Solve the problem of z1 + z2 and z1 - z2 on the Argand Diagram (10 marks) z1 = 2+3i z2 = 3-4i 5. Calculate the modulus and argument of (4+3i)(2-i) (7 marks) 6. Using calculator, express each of complex number in polar , trigonometry and exponential form (6 marks) a. 4-5i b. 3+4i 0 7. (5 < 45 ) * 4(cos 60 + isin 60) (7 marks)