Step 1:

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The expression is $\"\"$ .

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The general term of binomial expansion $\"\"$ is $\"\"$ . \ \

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Find the general term for $\"\"$ by substituting $\"\"$ , $\"\"$ and $\"\"$ in general term. \ \

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$\"\"$

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$\"\"$

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Apply product rule in exponents $\"\"$ .

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$\"\"$

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$\"\"$

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Find $\"\"$ by equating $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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Step 2:

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Find the $\"\"$ coefficient by substituting $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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The coefficient of $\"\"$ is $\"\"$ .

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Solution:

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The coefficient of $\"\"$ is $\"\"$ .

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