### Binomial Expansion Formula - Extension : tutorial 2 : ExamSolutions

In this tutorial you are shown how to use the binomial expansion formula for expanding expressions of the form (a+bx)^n. We look at expanding expressions where the power n is a positive integer. For this and more maths revision videos on the binomial expansion, other topics and worked solutions to maths past papers goto ExamSolutions at http://www.examsolutions.co.uk

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07:16