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

Practice Questions

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

Questions & Step-by-Step Solutions

Calculate ∫ from 0 to 1 of (4x^3 - 3x^2 + 2x - 1) dx.
Correct Answer: 0
  • Step 1: Identify the function to integrate, which is (4x^3 - 3x^2 + 2x - 1).
  • Step 2: Find the antiderivative of the function. This means we need to integrate each term separately.
  • Step 3: Integrate 4x^3 to get x^4.
  • Step 4: Integrate -3x^2 to get -x^3.
  • Step 5: Integrate 2x to get x^2.
  • Step 6: Integrate -1 to get -x.
  • Step 7: Combine all the antiderivatives to get the complete antiderivative: x^4 - x^3 + x^2 - x.
  • Step 8: Evaluate the antiderivative from 0 to 1. This means we will calculate the value at 1 and then subtract the value at 0.
  • Step 9: Calculate the value at 1: (1^4 - 1^3 + 1^2 - 1) = (1 - 1 + 1 - 1) = 0.
  • Step 10: Calculate the value at 0: (0^4 - 0^3 + 0^2 - 0) = 0.
  • Step 11: Subtract the value at 0 from the value at 1: 0 - 0 = 0.
  • Definite Integral – The process of calculating the area under a curve defined by a polynomial function over a specified interval.
  • Polynomial Integration – Applying the power rule for integration to find the antiderivative of polynomial terms.
  • Fundamental Theorem of Calculus – Connecting differentiation and integration, allowing evaluation of definite integrals using antiderivatives.
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