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25-08-2018
Mathematics

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what the result of √[(-2a)^ 2]

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N1ghtKi113r N1ghtKi113r

25-08-2018

If you take the square root of a number squared number then they cancel each other out and the number stays the same i.e. √[(4)^2] would equal 4.

In this problem the square root and numbered squared cancel out to leave the problem as -2a.

The solution of this problem is -2a

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