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Differentiation of \(\rm x^{e^{x}}\) with respect to x is1. \(\rm x^{e^{x}}\left[\ln x+{1\over x}\right]\)2. \(\rm x^{e^{x}}e^x\left[\ln x+{1\over x}\right]\)3. \(\rm e^x\left[\ln x+{1\over x}\right]\)4. \(\rm x^{e^{x}}\left[\ln x+{e^x\over x}\right]\) |
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Answer» Correct Answer - Option 2 : \(\rm x^{e^{x}}e^x\left[\ln x+{1\over x}\right]\) Concept:
Calculation: Let y = \(\rm x^{e^{x}}\) Taking log both sides, we get ln y = ln \(\rm x^{e^{x}}\) ln y = ex (ln x) (∵ log mn = n log m) Differentiating with respect to x, we get \(\rm {1\over y}{dy\over dx} = e^x(\ln x)+e^x\left({1\over x}\right)\) \(\rm {dy\over dx} = y\left[e^x(\ln x)+{e^x\over x}\right]\) \(\boldsymbol{\rm {dy\over dx} = x^{e^{x}}e^x\left[\ln x+{1\over x}\right]}\) |
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