Evaluate ∫ from 0 to 2 of (x^3 - 3x^2 + 4) dx.

Practice Questions

Q1
Evaluate ∫ from 0 to 2 of (x^3 - 3x^2 + 4) dx.
  1. 4
  2. 5
  3. 6
  4. 7

Questions & Step-by-Step Solutions

Evaluate ∫ from 0 to 2 of (x^3 - 3x^2 + 4) dx.
  • Step 1: Identify the integral you need to evaluate: ∫ from 0 to 2 of (x^3 - 3x^2 + 4) dx.
  • Step 2: Find the antiderivative of the function (x^3 - 3x^2 + 4).
  • Step 3: The antiderivative is calculated as follows: For x^3, the antiderivative is x^4/4; for -3x^2, it is -x^3; and for 4, it is 4x.
  • Step 4: Combine these results to get the complete antiderivative: (x^4/4 - x^3 + 4x).
  • Step 5: Now, evaluate this antiderivative from 0 to 2. First, substitute 2 into the antiderivative: (2^4/4 - 2^3 + 4*2).
  • Step 6: Calculate 2^4/4, which is 16/4 = 4; then calculate -2^3, which is -8; and finally calculate 4*2, which is 8.
  • Step 7: Combine these results: 4 - 8 + 8 = 4.
  • Step 8: Now, substitute 0 into the antiderivative: (0^4/4 - 0^3 + 4*0), which equals 0.
  • Step 9: Finally, subtract the value at 0 from the value at 2: 4 - 0 = 4.
  • Definite Integral Evaluation – The process of calculating the area under a curve defined by a function over a specific interval.
  • Fundamental Theorem of Calculus – Relates differentiation and integration, allowing the evaluation of definite integrals using antiderivatives.
  • Polynomial Integration – Involves integrating polynomial functions term by term.
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