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15 June, 23:35

Simplify.

√-112

A. 4√7

B. - 4i√7

C. 4i√7

D. - 4√7

√ is a square root sign btw

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Answers (2)
  1. 15 June, 23:36
    0
    C. 4i√7 is your answer because

    √-112 = √112*√-1 = 4√7*√-1 = 4i√7
  2. 16 June, 00:03
    0
    √-122 = √ (-1) * √122 Obs. √-1 = i

    = i * √ (16*7) =

    = i * 4√7 =

    = 4i√7 ⇒ Answer C.
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