find the 58th term in the expansion of (2x-3y)^100
Follow Math Help Forum on Facebook and Google+
Originally Posted by cm3pyro find the 58th term in the expansion of (2x-3y)^100 we will need this formula From the Binomial Therom this will generate the k+1 th term. so we need n=100 k=57 and evaluating at the above values gives I hope this helps
Last edited by TheEmptySet; Feb 24th 2008 at 11:12 AM. Reason: Left out a y in the -3y term
(-3)^57 (-3y)^57, correct?
Yes sorry for the typo.
View Tag Cloud