SOLUTION: 4x^2(x^-2y^-4)^-1

Question 209709This question is from textbook
: 4x^2(x^-2y^-4)^-1 This question is from textbook

Answer by RAY100(1637) (Show Source): You can put this solution on YOUR website!
4x^2{x^(-2)y^(-4)}^(-1),,,,,,remember (x^a)^b = x^(ab)
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4x^2 { x^2y^4},,,,but x^2*x^2 = x^(2+2)=x^4
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4x^4y^4
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check,,,let x=2,,y=3,,,,both original and answer = 5184,,,,ok

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