Hey guys, I just have quick question:

How does knowing that

big thanks.(Happy)

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- Mar 13th 2011, 10:56 PMhydrideHow does sqrt(x^2) = 1?
Hey guys, I just have quick question:

How does knowing that

big thanks.(Happy) - Mar 13th 2011, 11:25 PMProve It
Assuming that , then .

Since

.

Go from here. - Mar 13th 2011, 11:46 PMhydride
Thank you! I got it.