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Use integration formulas to solve each integral in Exercises 21鈥62. You may have to use algebra, educated guess and-check, and/or recognize an integrand as the result of a product, quotient, or chain rule calculation. Check each of your answers by differentiating

x3+42dx.

Short Answer

Expert verified

The answer isx77+2x4+16x+C.

Step by step solution

01

Step 1. Given Information.

The given integral isx3+42dx.

02

Step 2. Integration.

On Integrating the function,

x3+42dx=x6+8x3+16dx=x6dx+8x3dx+16dx=x77+8x44+16x+C=x77+2x4+16x+C

03

Step 3. Verification.

On Differentiating x77+2x4+16x, we get,

localid="1648577234721" =7x67+8x3+17=x6+8x3+17=x6+8x3+16+1=x3+42+C

Hence Proved.

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