$\"\"$

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The integral is $\"\"$ .

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(a) Solve the integral using substitution method.

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Consider $\"\"$ .

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Apply derivative on each side with respect to $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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Power rule of integration : $\"\"$ .

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$\"\"$

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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The integral is $\"\"$ .

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Consider $\"\"$ .

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Apply derivative on each side with respect to $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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(b)

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Graph :

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Graph the integrals $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$

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(c)

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Consider $\"\"$ .

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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Therefore, the result is differ only by constant.

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$\"\"$

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(a) $\"\"$ and $\"\"$ .

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(b) Graph :

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$\"\"$

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(c) The result is differ only by constant.