For a real number x, sqrt(sqrt(-x)) is equal
a) +x b) -x c) complex d) pure imaginary

Hmm... this one is interesting, let me try by making sure we're thinking the same thing:

You're question looks like this?
[tex]\sqrt{\sqrt{-x}}[/tex]

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Аноним Аноним · Answer 2 · 2017-02-25T15:42:40+01:00

Аноним Аноним

25-02-2017

sqrt(-x) is pure imaginary. It will be in the form +√x i and -√x i
And the square root of +√x i and -√x i are in the format X+iY and X-iY

So the answer is c) complex

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For a real number x, sqrt(sqrt(-x)) is equal a) +x b) -x c) complex d) pure imaginary

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For a real number x, sqrt(sqrt(-x)) is equal
a) +x b) -x c) complex d) pure imaginary