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WAEC Mathematics 2017 Paper

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Question : 6

Total: 49

Given that a = log 7 and b =

\log

2, express log 35 in terms of a and b.

a + b + 1
ab - 1
a - b + 1
b - a + 1

Solution:

$\; \frac{\log 7 \times \log 10}{\log 2}$

log 7 x log 10 $\div$ log 2

a + 1 - b

a - b + 1

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