If ( ^{n - 1}C{r} = ( k^{2} - 3 )^{n}C{r + 1}) then (k in): Permutations and Combinations (Mathematics) Question | DivineJEE

If ( ^{n - 1}C{r} = ( k^{2} - 3 )^{n}C{r + 1}) then (k in): Permutations and Combinations (Mathematics) Question | DivineJEE | divineJEE