JEE Mathematics · Easy

Differentiability: Standard derivatives MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Standard derivativesEasyQuestion 360002

Question

d/dx (xⁿ) equals:
  1. A
    nxⁿ⁻¹
    Correct
  2. B
    nxⁿ
  3. C
    xⁿ⁻¹
  4. D
    xⁿ⁺¹/(n+1)

Correct answer

nxⁿ⁻¹

Explanation

Power rule: d/dx(xⁿ) = nxⁿ⁻¹. For example: d/dx(x³) = 3x².