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Math Help - Find derivative. or Y prime.

  1. #1
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    Find derivative. or Y prime.

    y=x^(x^x)
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  2. #2
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    Here's a hint

     <br />
\frac{d}{dx}(x^x) = x^x\left(\ln x + \frac{1}{x}\right)<br />
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  3. #3
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    x^x\, x^{x^x - 1} + x^{x^x}\, \ln\!\left(x\right)\, \left(x\, x^{x - 1} + x^x\, \ln\!\left(x\right)\right)<br />
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  4. #4
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    thanks bro. did u substitute right?
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