(5)

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Step 1 :

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The functions are $\"\"$ , $\"\"$ , $\"\"$ , and $\"\"$ .

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Apply product rule of derivative : $\"\"$ .

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$\"\"$

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$\"\"$

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Solution :

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$\"\"$ .

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(4)

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Step 1 :

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The functions are $\"\"$ , $\"\"$ , $\"\"$ , and $\"\"$ .

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Apply quotient rule of derivative : $\"\"$ .

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$\"\"$

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(6)

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Step 1 :

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The functions are $\"\"$ , $\"\"$ , $\"\"$ , and $\"\"$ .

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Apply quotient rule of derivative : $\"\"$ .

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$\"\"$

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$\"\"$ .

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Solution :

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$\"\"$ .

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