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arshpushpit21134:
I know this answer but I have to ask from you for your test
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Question:
(x³y-y²)(x³y+y²)
Given:
x=-1,y-2
Answer:
(x³y-y²)(x³y+y²)
((-1)³(-2)-(-2)²)((-1)³(-2)+(-2)²)
(2+4)(2-4)
using identity: a²-b²=(a+b)(a-b)
(2)²-(4)²
4-16
-12
final answer: -12
but you have to verify
so you find Lhs and rhs both
but your answer is correct
bro there is only one side in the question
Ok your and mine answer is correct because I have to test you that you can solve or not
ok
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