Q. Let $Z$ be a complex number given by, $Z = ∣ ∣ 2 i 310 - i i 1 1 - 1 i ∣ ∣$ the statement which does not hold good, is

381 115 Complex Numbers and Quadratic Equations Report Error

A

$Z$ is purely real

B

Z is purely imaginary

C

$Z$ is not imaginary

D

$Z$ is complex with sum of its real and imaginary part equals to 10

Solution:

$Z = 0 + 0 i \Rightarrow$ (D) is incorrect