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Evaluateโˆซโˆ’2x2dxโˆซโˆ’2๐‘ฅ2๐‘‘๐‘ฅSelect one:A.x33+C๐‘ฅ33+๐ถB.โˆ’2x33+Cโˆ’2๐‘ฅ33+๐ถC.2x3+C2๐‘ฅ3+๐ถD.6x3+C

Question

Evaluate โˆซโˆ’2x2โ€‰dx \int -2x^2 \, dx

Select one:

  • A. x33+C \frac{x^3}{3} + C
  • B. โˆ’2x33+C -2 \frac{x^3}{3} + C
  • C. 2x3+C 2x^3 + C
  • D. 6x3+C 6x^3 + C
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Solution

The integral of -2x^2 with respect to x is given by the power rule of integration, which states that the integral of x^n dx is (1/(n+1))x^(n+1) + C, where C is the constant of integration.

Applying this rule to -2x^2 gives us:

โˆซ-2x^2 dx = -2 * (1/(2+1))x^(2+1) + C = -2/3 * x^3 + C

So, the correct answer is B. -2x^3/3 + C.

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