Given that a = log 7 and b = log 2, express log 35 in
MATHEMATICS
WAEC 2017
Given that a = log 7 and b = log 2, express log 35 in terms of a and b.
- A. a + b + 1
- B. ab - 1
- C. a - b + 1
- D. b - a + 1
Correct Answer: C. a - b + 1
Explanation
\(\frac{\log 7 \times \log 10}{\log 2}\)
log 7 x log 10 \(\div\) log 2
a + 1 - b
a - b + 1
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