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Math Help - Need to check if what i got is correct or no

  1. #1
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    Need to check if what i got is correct or no

    If y = x^x find the value of \frac{d^2 y}{dx^2} - \frac{1}{y} \left( \frac{dy}{dx}\right)^2 - \frac{y}{x}

    Solution

    After doing the sum i am getting the answer as 0 is that correct
    what i did was took log and differentiated it then i got was the answer as 0
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  2. #2
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    Yes.
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