SOLUTION: How do i find the coefficient of x^2 in the expansion of (x+(1/x))^20 ?

SOLUTION: How do i find the coefficient of x^2 in the expansion of (x+(1/x))^20 ?

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Question 761834: How do i find the coefficient of x^2 in the expansion of (x+(1/x))^20 ?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
......multiply to expend

so, the coefficient of is
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