Math, asked by nareshadhi6656, 1 year ago

Find the sum of all numbers from 1 to 79

Answers

Answered by Debonishtha

0

Sum of integers=n(n+1)÷2
=79(79+1)÷2
=79×80÷2
=3160

Answered by arin63

0

ap- 1,2,.....79
Sn= n/2(a+l)
a = 1, l = 79
79/2(1+79)
79/2(80)
=3160

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