CAPE Pure Mathematics Unit 1 · May/June 2009 · Paper 1 · Question Q9
If \log_a 4 + \log_a x - \log_a 7 = 2, then the value of x is
- (A)
\frac{7}{2^a} - (B)
\frac{7}{4} a^2 - (C)
\frac{4}{7} a^2 - (D)
\frac{7}{2} a^2
The answer is shown once you've answered.
Practise this question