Question

√-64×√-25
solve:
a)0
b)2
c)40i
d)-40
explain the answer

Answer 1

Answer:

This is your answer

C is the correct answer

Answer 2

Answer:

d.-40

Step-by-step explanation:

√-64x√-25=(√(-1)×√64)x(√(-1)×√25) as (√-1×√64=√-64)

as√-1=i

=i√64×i√25

=ix8×i×5

=i²×40

=-40 as i²=-1