On simplification, the expression $\frac{5^{\text{n}+2}-6\times5^{\text{n}+1}}{13\times5^{\text{n}}-2\times5^{\text{n}+1}}$ equals:
View full solution →- $\frac{5}{3}$
- $-\frac{5}{3}$
- $\frac{3}{5}$
- $-\frac{3}{5}$