# Expansion using Pascal's Triangle

Feb 3rd, 2012
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Expand (4x-1)^5 using Pascal's Triangle Dear Students Here is a method shown to expand any binomial using Pascal's triangle. I am sure that it will be useful for you for your exam preparation.. In case of any doubt about the solution , Please feel free to contact me ... I am always available for your services..

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Question : Expand the (4x-1)5 using Pascal's TriangleSolution :This can be written as [4x+ (-1)]5Pascal's Triangle(a+b)01(a+b)11(a+b)21(a+b)3(a+b)411(a+b)5 123451136101410151As per the Pascal's triangle corresponding coefficients are (1,5,10,10,5,1)The

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