Question

. The sum of all numbers from 1 to 1,000,000 is

Answer 1

5.000005e11 sum up the 1st and last term,then divide 1000000by 2 u will get 500000 multiple this with the sum

Answer 2

Sum of first "n"natural numbers is n(n+1)/2

Sum of numbers from 1 to 1,000,000 = 1,000,000(1,000,000+1)/2

= 1,000,001,000,000/2

= 500,000,500,000

The sum of all numbers from 1 to 1,000,000 is 500,000,500,000