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(sq.root x)^4 = x^2 Why?

Posted on 2011-05-03
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I don't know the best way to type the square root or radical sign on for this web site.

( Radical sign over x within parenthesis)^4 = x^2

If x is the same as 1, then the square root of 1 is 1, I think. And 1^4 = 1. Why = x^2? Thanks.
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Question by:kadin
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Aaron Tomosky earned 2000 total points
ID: 35616978
Sqrt is the same as x^(1/2)
When this is wrapped in ^4 the exponents are multiplied. So 1/2 * 4 = 2
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by:kadin
ID: 35618125
Got it. Thanks.
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