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Differentiation
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What is the derivative of $f(x) = x^2$?
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A
2x
💡 Explanation:
The derivative of $x^2$ is found using the power rule of differentiation, which states that if $f(x) = x^n$, then $f'(x) = nx^{n-1}$. Applying this rule, we get $f'(x) = 2x^{2-1} = 2x$.