JEE Main 20266 Apr, Evening shiftMathematicsEasySequence and Series179× since 2002The sum 1+12(12+22)+13(12+22+32)+…1+\dfrac{1}{2}(1^2+2^2)+\dfrac{1}{3}(1^2+2^2+3^2)+\ldots1+21(12+22)+31(12+22+32)+… upto 10 terms is equal to :AOption A. 130BOption B. 155COption C. 3152\dfrac{315}{2}2315DOption D. 3252\dfrac{325}{2}2325CheckSkip · show solution