Find the sum of the series
`(1^(2)+1)1!+(2^(2)+1)2!+(3^(2)+1)3!+ . .+(n^(2)+1)n!`.

The sum of the series (1^(2)+1)*1!+(2^(2)+1)*2!+(3^(2)+1).3!+......+(n+1)*n!

The sum of the series 1^(2)+1+2^(2)+2+3^(2)+3+ . . . . .. +n^(2)+n , is

Find the sum of the series 1 . 3^(2) + 2.5 ^(2) + 3.7^(2) +…+ to n terms

Find the sum of n terms of the series 1.2^(2)+2.3^(2)+3.4^(2)+

Find the sum to n terms of the series: 1^(2)+(1^(2)+2^(2))+(1^(2)+2^(2)+3^(2))+

Find the sum to n terms of the series 1*2^(2)+2*3^(2)+3*4^(2)+...

Find the sum of series ((1^(2)+1-1)*1!)/(1^(2)+3*1+2)+((2^(2)+2-1)*2!)/(2^(2)+3*2+2)+......+((n^(2)+n-1)*n!)/((n^(2)+3n+2))

Find the sum to n terms of the series (1)+(1+a)+(1+a+ a^(2)) cdots .