Math, asked by sharmadipika309, 3 months ago

1x 22 + 2x32 + ... +nx(n + 1)' _ 3n+5
12 X 2+22 x3+...+nx(n+1) 3n +1.
6. Show that
2​

Answers

Answered by rakhshan273
0

Answer:

I do know will.think......

Similar questions