If log 9x 1 5 find x - WAEC Mathematics 2005 Question
If \(log_9x= 1.5\),find x
A
36
B
27
C
24.5
D
13.5
correct option: b
\(log_9x= 1.5\Rightarrow x = 9^{1.5} = 9^{\frac{3}{2}}=(3^2)^{\frac{3}{2}}=3^3=27\)
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