If the middle term in the binomial expansion of `(1/x+xsinx^(10))` is equal to `(63)/8,` find the value of `xdot`

Options

A. `2npi+(pi)/(6)`
B. `npi+(pi)/(6)`
C. `npi+(-1)^(n)(pi)/(6)`
D. `npi+(-1)^(n)(pi)/(3)`