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14-02-2019
Mathematics

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find the term containing b^8 in the expansion of (a + b2)^12

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14-02-2019

by newton's binomial formula, the term contain b^8 is a^8b^8 = a^8(b²)⁴

[tex] \binom{12}{4} {a}^{8} {b}^{8} = 495 {a}^{8} {b}^{8} [/tex]

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