Question

Subtract the following complex numbers:

(11-7)-(16-11)
A. 5+ 4i
OB. 5-18i
O C. -5-18i
OD. -5+4i

Answer 1

D) -5 +4i

Explanation:

Subtract the complex number:

Add/subtract the real part with real part and imaginary part with imaginary part.

11 - 7i -(16- 11i) = 11 - 7i - 16 + 11i

= 11 - 16 - 7i + 11i

= -5 + 4i