a) (3/4)^-2 +(2/5)^0 -(4/3)^2
b) (x^-1 + y^-2)^-2 Found 2 solutions by checkley71, MathLover1:Answer by checkley71(8403) (Show Source):
You can put this solution on YOUR website! (3/4)^-2+(2/5)^0-(4/3)^2
(1/(3/4)^2)+1-16/9
1/(9/16)+1-16/9
16/9+1-16/9=1 answer.
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(x^-1+y^-2)^-2
(x^-3+y^-4)
1/x^3+1/y^4 answer.
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