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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)