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18-03-2022
Mathematics

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What is the factorization of 49b2 − 81? (7b – 9)(7b – 9) (7b – 9)(7b 9) (7b2 – 9)(7b2 – 9) (7b2 – 9)(7b2 9).

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21-03-2022

answer : (7b+9)(7b-9)

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