rummy is 'n groep kaartspele waarin pakkies kaarte van dieselfde waarde of in 'n reeks van dieselfde soort uitgesit word. die doel is om eerste uit te speel
sum of the series 5+55+555+.. up to n termsfind the sum of the following series to n terms : 0.5+0.55+0.555+.. using simplest method
find the sum of the following series up to n terms:i 5+55+555the correct answer is we have 5+55+555+⋯(to n terms)=5(1+11+11+⋯+to n terms)=59(9+99+999+⋯to n terms)=59[(10−1)+(100−1)+(1000−1)+(10n−1)]=59[(10−1