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Factorize the following expressions: a4 – 1/b4 |
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Answer» We have, a4 – 1/b4 = (a2)2 – (1/b2)2 = (a2 + 1/b2) (a2 – 1/b2) = (a2 + 1/b2) (a – 1/b) (a + 1/b) |
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