$\"\"$

The binomial expression is $\"\"$ .

Find the eighth term coefficient in the $\"\"$ .

$\"\"$ term in the binomial expansion $\"\"$ is $\"\"$ , where $\"\"$ .

Here $\"\"$ , $\"\"$ , $\"\"$ and $\"\"$ in the formula.

$\"\"$

Thus, the coefficient of the eighth term in the expansion of $\"\"$ is $\"\"$ .

$\"\"$

Eighth term coefficient in the expansion of $\"\"$ is $\"\"$ .