Question

10. Find the sum of the first 'n' natural numbers (positive integers)​

Answer 1

Answer:

n(n+1)/2

Step-by-step explanation:

Use Sum up to 'n' terms formula, with a = 1 , d = 1

Answer 2

Answer: n(n+1)/2

Step-by-step explanation:

for ex: the sum of first 10 natural numbers

is 10(10+1)/2

=110/2=55

verification:

1+2+3+4+5+6+7+8+9+10=55

hope it helps................pls mark my ans the brainliest.........tq.............