Integral Math Example 3

Follow the full solution, then compare it with the other examples linked below.

Example 3

easy
Find โˆซ(5x2โˆ’3x+7)โ€‰dx\int (5x^2 - 3x + 7) \, dx

Solution

  1. 1
    Apply the power rule term by term.
  2. 2
    For 5x25x^2: 5x33\frac{5x^3}{3}. For โˆ’3x-3x: โˆ’3x22-\frac{3x^2}{2}. For 77: 7x7x.
  3. 3
    Result: 5x33โˆ’3x22+7x+C\frac{5x^3}{3} - \frac{3x^2}{2} + 7x + C.

Answer

5x33โˆ’3x22+7x+C\frac{5x^3}{3} - \frac{3x^2}{2} + 7x + C
Apply the power rule for integration to each term and add the constant of integration.

About Integral

The reverse operation of differentiation; it also computes the exact area under a curve between two points.

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