a to the power 4 - (A- B )to the power 4???
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(a²)² - [(a-b)²]²,
[a²+(a-b)²] [a²-(a-b)²],
[a²+(a-b)²] [ {a+(a-b)} {a-(a-b)}]
[a²+(a-b)²] [a²-(a-b)²],
[a²+(a-b)²] [ {a+(a-b)} {a-(a-b)}]
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this is the answer.
-b to the power 4 -4a square b square
-b to the power 4 -4a square b square
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john6920:
Pura karo
b*b*b*b - 4a*a*b*b
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