Question

what is the sum of 1 to 100?

Answer 1

hii


here is ur solution



According to the question

it forms an A. P.
that is.,


1 + 2 + 3 + 4 + 5 ................ + 100


a = 1

d = 2 - 1 = 1


Sn = 100


Apply the formula

Sn = n/2 (2*a + (n-1) d


S100 = 100/2 (2*1 + (100-1) 1

S100 = 50 (2+(99))

S100 = 50*101

S100= 5050 Answer


hope it helps you