JAMB - Mathematics (1985 - No. 8)

Find x if log\(_9\)x = 1.5
72.0
27.0
36.0
3.5
24.5

Explanation

If log\(_9\)x = 1.5,

9\(^1.5\) = x

9^\(\frac{3}{2}\) = x

(√9)\(^3\) = 3

∴ x = 27

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