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Subject:  Calculus

Find ∫ (2x + 3) dx

Apply the reverse power rule to compute an indefinite integral.

Answer ∫ f(x) dx = x² + 3x + C

Solution

  1. Integrand f(x) = 2x + 3
  2. Reverse power rule ∫ 3x dx = 3x¹
  3. Reverse power rule ∫ 2x dx = 1x²
  4. Indefinite integral ∫ f(x) dx = x² + 3x + C

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