If the middle term of x2+1xn is 924 x6 , then value of n is

As there is just one middle term, n must be even and middle term is n2+1 th term, and it is given byTn/2+1=nCn/2x2n−n/21xn/2=nCn/2xn/2Now,  nCn/2xn/2=924x6→n/2=6→n=12[Also, note that   12C6=924