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arithmetic sequence the gauss approach

Algebra
Tutor: None Selected Time limit: 0 Hours

1+2+3+4+...98 using n/2

Nov 26th, 2014

the gauss formula is n(n+1)/2

so

98(98+1)/2=

98(99)/2=

9702/2=

4851



Nov 26th, 2014

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Nov 26th, 2014
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Nov 26th, 2014
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