how to solve (1-3x)(1+2x)^6?find the coefficient of term x^3 .. thanks a lot ..
Last edited by mr fantastic; Aug 23rd 2010 at 01:42 PM. Reason: Useless post title.
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Originally Posted by jaycee how to solve (1-3x)(1+2x)^6?find the coefficient of term x^3 .. thanks a lot .. so for the first part put r=3 and the second part put r=2.
Hello, jaycee! You could simply crank out the multiplication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Answer: .
Originally Posted by Soroban Hello, jaycee! You could simply crank out the multiplication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Answer: . thanks alott !
thanks !
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