lisapressley2001 lisapressley2001

27-12-2016
Mathematics

Answered

Which of the following is equivalent to √-80?

A-4i√5
B16i√5
C4i√5
D2i√5

Verified Answer :

Anonymous Anonymous

27-12-2016

80 = 16 * 5
sqrt 16 = 4
sqrt-1 = i
so the correct answer is
4i sqrt5

C

Answer Link

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