Question

Sum of the first 100 natural factors of 4​

Answer 1

Answer:

20200

Step-by-step explanation:

4,8,12,16,....

It is an A.P

Here,

a = 4, d= 4, n = 100,

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

= 100/2 {2(4)+(99)×4}

= 50【8+396】

= 50×404

= 20200

HOPE THIS WILL HELP YOU