(-7х^2/3у^4)^-3*(9у^2/49х^4)^-2

Question

(-7х^2/3у^4)^-3*(9у^2/49х^4)^-2

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Answer 1

(- (3y^4)^3/(7x^2)^3)* ( (49x^4)^2/(9y^2)^2 = (- 27y^12/ 343x^6 ) * ( 49*7*7x^8 / 81y^4)= - y^8* 7x^2 / 3

ответ : - y^8*7x^2/3