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Please help to solve this problem factorize: (1 - a^2) (1 - b^2) + 4ab
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Please help to solve this problem factorize: (1 - a^2) (1 - b^2) + 4ab
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Dec 10, 2021
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Please help to solve this problem
factorize:
(1 - a^2) (1 - b^2) + 4ab
Mathematics
high-school
Atturri
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Answer:
(ab+a-b+1)(ab-a+b+1)
Explanation:
(1 - a²) (1 - b²) + 4ab=
1 -a²-b² +a²b² +4ab =
(a²b² +2ab +1 )- (a²-2ab+b²)=
(ab+1)² - (a-b)²=
(ab+1 +a-b)(ab+1 -a+b)=
(ab+a-b+1)(ab-a+b+1)
Laurenn
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Dec 15, 2021
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Laurenn
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