IB Maths HL, SL, Studies: IB mathematics HL - Binomial Theorem

Thursday, December 26, 2013

IB mathematics HL - Binomial Theorem

IB mathematics HL - Binomial Theorem

How can we find the coefficient of $x^4$ of the expansion of $(x+\frac{1}{x})^8$ ?

The answer is here

http://www.ibmaths4u.com/viewtopic.php?f=3&t=412

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