Step 1:

The integral is .

Power rule of integration: .

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Step 2:

The integral is .

Power rule of integration: .

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Step 3:

The integral is .

Power rule of integration: .

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Step 4:

The integral is .

Rewrite the integral as

Power rule of integration: .

Integral formula: .

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(5)

The integral is .

Let , then

Differentiate on each side.

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Power rule of integration: .

Replace in the above expression.

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