#binomial expansion

4 messages · Page 1 of 1 (latest)

gray pendant
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ive done a just not sure what to do for b

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those powers are not very clear its (1 - x/2)(2-3x)^8

foggy granite
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Just expand it out, multiply your answer to a by (1-x/2) and find the coefficient of the x^3 term

gray pendant
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oh okay