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16-04-2020
Mathematics

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What is the factorization of 121b^4 -9

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17-04-2020

Answer:

[tex]121 {b}^{4} - 9 \\ {11}^{2} {b}^{2} {b}^{2} - {3}^{2} \\ = (11 {b}^{2} - 3)(11 {b}^{2} + 3)[/tex]

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