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2 June, 09:43

Which choice is equivalent to the expression below?

√-18

A. 18i

B. 3i√2

C. 3√2i

D. - 18i

E. - 3√2

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Answers (1)
  1. 2 June, 10:01
    0
    Hope you know that sqrt (-1) = i

    so in this case than there are sqrt (-18) = isqrt (9*2) = isqrt (3^2 * 2) = 3isqrt2

    so choice B. is right sure
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