steel11
derivative of 2xsin(1/x)



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steel11
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think you have to do the chain rule twice here, not sure

Jemurray3
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Product rule once, chain rule once. Thoughts?

steel11
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maybe, not sure. :l

steel11
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yep, got it. product rule once, chain rule once. ty

dpaInc
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you're both right... product rule with chain rule twice..

dpaInc
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oops chain rule once....

steel11
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i got answer using chain rule once. :P

steel11
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hehe, ty both.

dpaInc
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i got the answer without using product rule or chain rule..
i used the wolfram alpha rule...
yw.... :)