Question

How do you solve `log_4 3 + 5 log_4 x = log_4 7`?

Answer 1

Solution: `x ~~1.185(3dp)`

Explanation:

`log_4 3 +5 log_4 x=log_4 7` or

`log_4 3 + log_4 x^5=log_4 7` or

`log_4 (3*x^5)=log_4 7` or

`3x^5=7 or x^5 =7/3 or x = root(5)(7/3)~~1.185(3dp)`

Solution: `x ~~1.185(3dp)` [Ans]