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if s=sigma n belongs to 1 to 10 (2n+1/2) them S is equal to?

if s=sigma n belongs to 1 to 10 (2n+1/2) them S is equal to?

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Grade:12

1 Answers

Arun
25750 Points
5 years ago
Dear student
 
we can write it as 
 
2 *( sigma n) + ½ (sigma 1)
 
 = 2 * 10* 11 /2 + ½ * 10
 
 = 110 + 5 = 115
 
Regards
Arun (askIITians forum expert)

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