Step 1:

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(1)

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The function is $\"\"$ .

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The anti derivative of the function means integration.

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$\"\"$ .

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

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$\"\"$

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Step 2:

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(2)

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The function is $\"\"$ .

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The anti derivative of the function means integration.

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Simplify the function $\"\"$ .

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$\"\"$

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

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$\"\"$

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Step 3:

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(3)

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The function is $\"\"$ .

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The anti derivative of the function means integration.

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Simplify the function $\"\"$ .

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$\"\"$

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

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$\"\"$

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Solution :

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(1) $\"\"$ .

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(2) $\"\"$ .

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(3) $\"\"$ .