Calculate ∫ from 0 to 1 of (x^2 + 4x + 4) dx.

Practice Questions

Q1
Calculate ∫ from 0 to 1 of (x^2 + 4x + 4) dx.
  1. 3
  2. 4
  3. 5
  4. 6

Questions & Step-by-Step Solutions

Calculate ∫ from 0 to 1 of (x^2 + 4x + 4) dx.
  • Step 1: Identify the function to integrate, which is (x^2 + 4x + 4).
  • Step 2: Find the antiderivative of the function. The antiderivative of x^2 is x^3/3, the antiderivative of 4x is 2x^2, and the antiderivative of 4 is 4x.
  • Step 3: Combine the antiderivatives to get the complete antiderivative: (x^3/3 + 2x^2 + 4x).
  • Step 4: Evaluate the antiderivative from the lower limit (0) to the upper limit (1).
  • Step 5: Substitute 1 into the antiderivative: (1^3/3 + 2*1^2 + 4*1) = (1/3 + 2 + 4).
  • Step 6: Simplify the expression: 1/3 + 2 + 4 = 1/3 + 6 = 19/3.
  • Step 7: Substitute 0 into the antiderivative: (0^3/3 + 2*0^2 + 4*0) = 0.
  • Step 8: Subtract the value at the lower limit from the value at the upper limit: (19/3 - 0) = 19/3.
  • Definite Integral – The process of calculating the area under a curve defined by a function over a specific interval.
  • Polynomial Integration – Applying the power rule for integration to polynomial functions.
  • Fundamental Theorem of Calculus – Connecting differentiation and integration, allowing evaluation of definite integrals using antiderivatives.
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