Mathematics 10 — Exercise Review · Q1 (iii)

Full question

Find the imaginary part of the expression below. Choose the correct option.

(2-i)×(i+2)

OptionValue
a0
b1
c7
d9

Step-by-step solution

  1. (2−i)(2+i) = 4 − i² = 5 = 5 + 0i. Imaginary part = 0.

Answer

a: 0