Question 16
LogarithmsFind the value of x such that log5(x + 2) + log5(x − 2) = 1
- A.3
- B.4
- C.5
- D.6
Show the answer and explanation
Answer: A (3)
Explanation
x² − 4 = 5, so x = 3.
Find the value of x such that log5(x + 2) + log5(x − 2) = 1
Answer: A (3)
x² − 4 = 5, so x = 3.