Aptitude : : Complex Number Questions & Answers
- Evaluate the expression $(3 + 2\text{i}) - (8 - 5\text{i})$
A. -5 + 7i
B. 7 + 5i
C. -7 - 5i
D. -5 - 7i
- Evaluate the expression $ ( 4 - 2\text{i} ) * ( 1 - 5\text{i} )$
A. 6 - 22i
B. -6 - 22i
C. 6 + 22i
D. 22 - 6i
- Find i2012 = ?
A. 1
B. 0
C. -1
D. i
- Simplify the given expression i5
A. 0
B. 1
C. -1
D. i
- Evaluate the expression $\dfrac{-2-4\text{i}}{\text{i}} $
A. -4 + 2i
B. 4 + 2i
C. 4 - 2i
D. -4 - 2i