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 April 16th, 2012, 08:05 AM #1 Senior Member   Joined: Apr 2012 Posts: 112 Thanks: 0 Binomial theorem Hello! I have questions on the binomial theorem. I thought they looked alright and attempted them, only to find that I could not solve them, or my answers are wrong... 1.) Find the value of n if the coefficient of x^3 in the expansion of (2+3x)^n is twice the coefficient of x^2. 2.) In the binomial expansion of (1+(1/3))^n in ascending powers of 1/3, the fourth and fifth terms are equal. Find the value of n. April 16th, 2012, 08:34 AM #2 Senior Member   Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs Re: Binomial theorem 1.) We may state: 2.) We may state: Tags binomial, theorem Thread Tools Show Printable Version Email this Page Display Modes Linear Mode Switch to Hybrid Mode Switch to Threaded Mode Similar Threads Thread Thread Starter Forum Replies Last Post muhsentdrawjiac Probability and Statistics 1 June 14th, 2012 12:44 PM Keroro Probability and Statistics 4 June 12th, 2012 03:43 AM Keroro Probability and Statistics 6 June 10th, 2012 11:59 AM mcshine Probability and Statistics 3 May 4th, 2012 12:45 PM coolhandluke Applied Math 4 March 25th, 2010 04:21 AM

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