Question

1cube plus 2 cube plus.............plus ncube=nsquare (n plus 1 )square ÷4

Answer 1

Answer:

sum of cubes of

${1}^{3} + {2}^{3} + {3}^{3} + {4}^{3} ......... {n}^{3} = {n(n + 1)}^{2} \div 2$