+0  
 
0
27
1
avatar

Find the sum 1 + 2 + 3 + ... + 100. Give a complate explanation.

 May 19, 2020
 #1
avatar
0

1 + 2 + 3 + 4 +....................95 + 96 + 97 + 98 + 99 + 100

 

(100 +1) + (99 +2) + (98+3).........

 

101 + 101 + 101.........you have 50 pairs that make up 101.

 

101 x 50 =5050 - This is called "Gauss's Method"

 May 19, 2020

4 Online Users

avatar