Question

The product of (5y+15/y )(25y^2-75+225/y^2 ) *​

Answer 1

Ans:- (5y+15/y )(25y^2-75+225/y^2 )

= (5y)^3 + (15/y)^3 (since (a + b) (a^2 - ab + b^2) = a^3 + b^3)

= 25y^3 + 3375/y^3

here is your answer

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