Math, asked by ankitkumar0102, 1 year ago

The value of 1/6 + 1/12 + 1/20 + .......... + 1/90 ?


nope: hey plzz
vishypange123: anyway my answer is in detail
vishypange123: so i get more marks than u in exam
nope: congo

Answers

Answered by vishypange123
3
1/6+1/12+1/12+1/20+1/30+1/42+1/56+1/72+1/90
= (1-1/2)+(1/2-1/3)+(1/3-1/4)+(1/4-1/5)+(1/5-1/6)+(1/6-1/7)+(1/7-1/8)+(1/8-1/9)+
(1/9-1/10)+(1/10-1/11)+(1/11-1/12)
=1-1/12
=11/12  or  0.91666666
   plzzzzzzzzzz mark as the best

Answered by nope
2
1/6+1/12+1/12+1/20+1/30+1/42+1/56+1/72+1/90
=1-1/12
=11/12 
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