JEE Main 2019 — Math solution

JEE Main2019Math

The sum $\frac{3 \times 1 ^{3}}{1 ^{2}} + \frac{5 \times ( 1 ^{3} + 2 ^{3} )}{1 ^{2} + 2 ^{2}} + \frac{7 \times ( 1 ^{3} + 2 ^{3} + 3 ^{3} )}{1 ^{2} + 2 ^{2} + 3 ^{2}} + ......$ upto 10^th term, is :