how to solve (1-3x)(1+2x)^6?find the coefficient of term x^3 .. thanks a lot ..
Last edited by mr fantastic; August 23rd 2010 at 12:42 PM. Reason: Useless post title.
Follow Math Help Forum on Facebook and Google+
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 !
View Tag Cloud