Question

Without adding,say the sum of the natural numbers from 1 to 9.​

Answer 1

Answer:

We have a Arithmetic formula And according to that we need to add 1,2 ... where n can be any integer, in this case say n = 9. ... We have a formula for the sum of first n natural numbers!!

Answer 2

• Middle term of numbers from 1 to 9 = 5
• Total numbers= 9
• Total sum of numbers = 5×9=45

Hope it helps you