Math, asked by shruthi3554, 8 months ago

Sun of series :1+2+3+...... n(n+1).

Answers

Answered by Anonymous
15

Answer:

hope it helps you.......

Attachments:
Answered by chhotiroy343
0

Step-by-step explanation:

n(n+1)/2

plz mark as brainleast plz

Similar questions