Math, asked by raju79, 1 year ago

find the sum of all the odd numbers from 1 to 100

Answers

Answered by PrinceGamer

5

∑(2n-1)=1+3+5+...=[(n+1)/2]²

49+1=50

(50/2)²=2500

Answered by rhea8

2

I hope this will help you

Attachments:

raju79: thnx

rhea8: 1 = 1²
1 + 3 = 2²
1 + 3 + 5 = 3²
so
1 + 3 + ... + 97 + 99 = [ 100/2 ] ² = 50² = 2,500

rhea8: i think my answer is wrong this will be correct answer

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