A can complete a work in 13 days and B can complete the same work in 26 days. Find the number of days in which both together can complete the whole work.
1
8
2
\(8\frac{2}{3}\;days\)
3
9
4
10
5
11
A can complete a work in 13 days and B can complete the same work in 26 days. Find the number of days in which both together can complete the whole work.