SOLUTION: simplify and do not leave negitives. again these two questions are similar and i don't know the difference between solving them. a. (25x^2)^-(1/2) b.(25)^-(1/2)

Question 742961: simplify and do not leave negitives. again these two questions are similar and i don't know the difference between solving them.
a. (25x^2)^-(1/2)
b.(25)^-(1/2)
_____
(x^2)
*b is one big parenethesis not two seperate ones before the -(1/2) exponent.

Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
we are given the following problem:
simplify and do not leave negitives. again these two questions are similar and i don't know the difference between solving them.
a. (25x^2)^-(1/2)
b.(25)^-(1/2)
note that x^-1/2 = sqrt(x)
a) (25^2)^-(1/2) = 1/sqrt(25^2) = 1/25
b) (25)^-(1/2) = 1/sqrt(25) = 1/5

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