Question

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it


{x+1/y}^3
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Answer 1

Answer:

(x+1/y) ^3

(x/y+1/y)^3

now use the formula

(a+b) ^3 =a^3+b^3 +3a^2b+3ab^2

Answer 2

Answer:

x^3+1/y^3 + 3 x^2y+3x whole upon y^2