Question

Let's find the sum of first 100 terms of A.P. 14, 16, 18,.....

Answer 1

Step-by-step explanation:

given

n=100, a=14 , d= 16-14=2

then,

an= a+(n-1)d

a100= 14 +(100-1)2

=14 + (99) 2

=14 + 198

a100= 212.

Hope this answer might be helpful.