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The derivative of $x^n$ with respect to $x$ is:
A$x^{n-1}$
B$n x^{n-1}$
C$\dfrac{x^{n+1}}{n+1}$
D$n x^{n+1}$
Answer & Solution
Correct answer: B. $n x^{n-1}$
Power rule: d/dx(xⁿ) = n x^{n−1}.
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