JAMB - Mathematics (1985 - No. 8)
Find x if log\(_9\)x = 1.5
72.0
27.0
36.0
3.5
24.5
解释
If log\(_9\)x = 1.5,
9\(^1.5\) = x
9^\(\frac{3}{2}\) = x
(√9)\(^3\) = 3
∴ x = 27
If log\(_9\)x = 1.5,
9\(^1.5\) = x
9^\(\frac{3}{2}\) = x
(√9)\(^3\) = 3
∴ x = 27