(a^2-b^2 ) (a^2+b^2 )- (a^2 - b^2 )^2
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Answered by
5
=[(a²)²-(b²)²] - [ (a²)² -2a²b² + (b²)²]
= a⁴ - b⁴ - a⁴ + 2a²b² -b⁴
= -2b⁴ +2a²b²
=2a²b² - 2 b⁴
=2b²(a²-b²)
Hope it Helps...
Regards,
Leukonov.
= a⁴ - b⁴ - a⁴ + 2a²b² -b⁴
= -2b⁴ +2a²b²
=2a²b² - 2 b⁴
=2b²(a²-b²)
Hope it Helps...
Regards,
Leukonov.
tushar1249:
wrong answer
Answered by
1
(a²-b²)(a²+b²)-(a²-b²)²
= (a²-b²){(a²+b²)-(a²-b²)}
= 2b²(a²-b²)
=2b²(a+b)(a-b)
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