How to find the coefficient of x in the expansion of (3x-2/x)^5 ?

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Guest Dec 9, 2014

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Best Answer

The only term that will have an x term is this one:

C(5, 2) (3x)^3 (2/x)^2 = 1080x^3/x^2 = 1080x

So, the coefficient on x is 1080

CPhill Dec 9, 2014

CPhill · Answer 1 · 2014-12-09T03:42:14

The only term that will have an x term is this one:

C(5, 2) (3x)^3 (2/x)^2 = 1080x^3/x^2 = 1080x

So, the coefficient on x is 1080