(x+y)³-(x-y)³-6y(x²-y²)
Answers
Answered by
1
Answer:
The answer is 8y³
Step-by-step explanation:
(x+y)³-(x-y)³-6y(x²-y²)
= x³+3x²y+3xy²+y³-x³+3x²y-3xy²+y³-6x²y+6y³
= 8y³
Answered by
1
Consider,
can be rewritten as
We know,
So, using this algebraic identity, we get
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