Question

Please answer this question of complex number

Answer 1

Answer:

I think answer will be (16)

Answer 2

$\huge\mathfrak\red{Solution}$

Here we know that :

• √-1 = i

• So, √-5 = 5i

• √-16 = 16i

According to question :

= 5i * 16i / 5

= 80i / 5

= 16