If ( ^{n}C{r - 1} = 36, ^{n}C{r} = 84) and ( ^{n}C{r + 1} = 126), then find the values of (n) and (r).: Permutations and Combinations (Mathematics) Question | DivineJEE

If ( ^{n}C{r - 1} = 36, ^{n}C{r} = 84) and ( ^{n}C{r + 1} = 126), then find the values of (n) and (r).: Permutations and Combinations (Mathematics) Question | DivineJEE | divineJEE