JEE Main 201610 Apr, Morning shiftMathematicsMediumPermutations and Combinations98× since 2002The sum ∑r=110(r2+1)×(r!)\sum\limits_{r = 1}^{10} {\left( {{r^2} + 1} \right) \times \left( {r!} \right)}r=1∑10(r2+1)×(r!) is equal to :AOption A. (11)!BOption B. 10 ×\times× (11!)COption C. 101 ×\times× (10!)DOption D. 11 ×\times× (11!)CheckSkip · show solution
