SOLUTION: find the term independent of x in the expansion of (1+x^2)(2x+1/x)^10

Question 1030573: find the term independent of x in the expansion of (1+x^2)(2x+1/x)^10
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!

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In the first sum in the last expression, the term that is independent of x is when k = 5, i.e., , while in the 2nd sum, is the term .
Therefore, the term independent of x in the expansion of is the constant term .
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