Question:

The derivative of \(x^x\) with respect to \(x\) is

Show Hint

For functions like \(x^x\), use logarithmic differentiation.
  • \(x^x(x+\log x)\)
  • \(x^x(x-\log x)\)
  • \(x^x(1-\log x)\)
  • \(x^x(1+\log x)\)
Show Solution
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The Correct Option is D

Solution and Explanation


Step 1:
Let: \[ y=x^x \]

Step 2:
Taking logarithm: \[ \log y=x\log x \]

Step 3:
Differentiate both sides: \[ \frac{1}{y}\frac{dy}{dx}=\log x+1 \]

Step 4:
Therefore: \[ \frac{dy}{dx}=y(1+\log x) \]

Step 5:
Since \(y=x^x\), \[ \frac{dy}{dx}=x^x(1+\log x) \] \[ \boxed{x^x(1+\log x)} \]
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