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Find the coefficient of $x^2$ in the expansion of \[\left(x+\frac{1}{x}\right)^6.\]

 Jul 25, 2019
 #1
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What are you expanding? Is it (x + 1/x)^6 ? I can't read your LaTex !.

 Jul 25, 2019
 #2
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yesssssss

 Jul 25, 2019
 #3
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Expand  (x + 1/x)^6 = x^6 + 1/x^6 + 6 x^4 + 6/x^4 + 15 x^2 + 15/x^2 + 20

 Jul 25, 2019

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