Answers

2016-02-07T20:06:24+05:30
Sum of 1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72+1/90+1/110+1/132 is
 0.91666666666
1 5 1
2016-02-07T20:19:26+05:30
1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72+1/90+1/110+1/132=132

1 3 1