√-64×√-25
solve:
a)0
b)2
c)40i
d)-40
explain the answer
Answers
Answered by
3
Answer:
This is your answer
C is the correct answer
Attachments:
Answered by
0
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
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