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

1 Answer
Mar 29, 2018

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]