Question

Pls solve showing steps, thanks!

7^4n+19/7^3n-1•7^n+20

Answer 1

This expression can be simplified to 1

Explanation:

`\frac{7^(4n + 19)}{7^(3n - 1)*{7^(n + 20)}}\\\\= (7^(4n + 19))/(7^(3n - 1 + n + 20))\\\\= (7^(4n + 19))/(7^((3n + n) + (20 - 1)))\\\\= (7^(4n + 19))/(7^(4n + 19))\\\\= 1`