Question

Find the following sums :
(a) 1+2+3+... ..+100​

Answer 1

Answer:

heya mate there's your answer

we know that sum of n natural numbers =n(n+1)/2

So,sum of 1+2+3+................................+100=100(100+1)/2

=100(101)/2

=50×101

=5050

1+2+3+..........+100=5050

hope it helps you

Thank you!!