Simplify log\(_7\) 8 - log\(_7\) 2 + log\(_7\) 4.
MATHEMATICS
WAEC 1999
Simplify log\(_7\) 8 - log\(_7\) 2 + log\(_7\) 4.
- A. 0
- B. \(2log_7 2\)
- C. \(3log_7 2\)
- D. \(4log_7 2\)
Correct Answer: D. \(4log_7 2\)
Explanation
log\(_7\) 8 - log\(_7\) 2 + log\(_7\) 4
= log\(_7\) (8/2 x 4)
= log\(_7\) 16
= 4 log\(_7\) 2
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