Find the sum of firs 100 terms of the series whose general term is given by `T_(r)=(r^(2)+1)r!`.

Find the sum of first 100 terms of the series whose general term is given by a_(k)=(k^(2)+1)k!

Find the sum of first 100 terms of the series whose general term is given by a_k=(k^2+1)k !

Find the sum of first 100 terms of the series whose general term is given by a_k=(k^2+1)k !

Find the sum of first 100 terms of the series whose general term is given by a_k=(k^2+1)k !

Find the sum of the n terms of the sequence whose general term is given by a_r=(r^5+6r^4+11r^3+6r^2+4r+6)/(r^4+6r^3+11r^2+6r)

Find the sum to n terms of the series, whose n^(t h) terms is given by : (2n-1)^2

Find the sum to n terms of the series, whose n^(t h) terms is given by : n^2+2^n

Find the sum to n terms of the series, whose n^(t h) terms is given by : n^2+2^n

Find the sum to n terms of the series, whose n^(t h) terms is given by : n(n+1)(n+4)