kelseygadd2 kelseygadd2
  • 15-01-2017
  • Mathematics
contestada

use Gauss approach to find the sum of the following numbers
1+2+3+4+...+98

Respuesta :

Newtion Newtion
  • 15-01-2017
[tex]\displaystyle 1+2+3+4+...+n= \frac{n(n+1)}{2} [/tex]

According to Gauss's formula, we can get:

[tex]\displaystyle 1+2+3+4+...+98= \frac{98(98+1)}{2}=49\cdot 99=4851[/tex]
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