English, asked by Tulumohanta, 1 year ago

find the sum 1+2+3+.........+100.?

Answers

Answered by rslekshmi08

1

S= (n/2)[2a+(n-1)d]

= (100/2)[2+(99×1)]

= 50×101=5050

Answered by prernaraj

2

I hope it will help u...

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