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MATHEMATICS

JAMB 2012 - Question 7

Mathematics 2012 JAMB Past Questions - Question 7: If log3x2 = -8, what is x?

If log3x2 = -8, what is x?

A: 1/3

B: 1/9

C: 1/27

D: 1/81

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Correct Answer

Explanation

log3x^2 = -8x^2 = 3^-8x = 3^−8×1/2x = 3^-4x = 1/3^4x = 1/81