Question

answer this question ​

Answer 1

x³+1/y³+3x/y³+3x³/y

Ans

Answer 2

both can expand by same algebraic identity

1.(a-b)³= a³-3a²b+3ab²-b³

a=3a. and b=4b

put the value of a and b

solve it

2. (a-b)³= a³-3a²b+3ab²-b³

a=x. and b=1/y put the value of a and b solve it

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