Question

the sum of natural number from 1to100​

Answer 1

5050.......................

Answer 2

Answer:

5050

Step-by-step explanation:

n/2(2a+n-1)d)

n=100

a=1

d=1

Now, substitute the no.s according to the formula=100/2(2(1)+(100-1)1)

=50(2+99)

=50(101)

=5050.

Hope it helps