gilboonalissyz gilboonalissyz

06-11-2016
Mathematics

Answered

Explain why the square root of -4 is not a real number, but cube root of -8 is

Verified Answer :

shahzaib784 shahzaib784

07-11-2016

because -2 times -2 is 4 and 2 x 2 is 4 as well. So you cant have -4.
But if you have cube root of -8, you can do -2 as -2 x -2 gives you 4, if you x this by -2 you get -8

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