Question

arithmetic progression
1. what is the sum of the first 30 natural number?​

Answer 1

Answer:

natural numbers start from 1

so, AP o f natural numbers=1,2,3,4,5,6,7,8,9,...........30

a=1

d=1

n=30

Sum of 30 num= n/2(2a+(n-1)d)

Sum=15(2+29)

Sum=15*31

Sum=465

Step-by-step explanation: