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MATHEMATICS

JAMB 2006 - Question 19

Mathematics 2006 JAMB Past Questions - Question 19: Calculate the logarithm to base 9 of 3¯´ X 9² X (81)¯¹

Choose the most appropriate option for the gap .

Calculate the logarithm to base 9 of 3¯´ X 9² X (81)¯¹

A: 2

B: 0

C: -2

D: -4

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Correct Answer

Explanation

3¯â�´ X 9² X (81)¯¹ =logâ‚‰( â…Ÿâ‚ˆâ‚� X 81¯¹)logâ‚‰â�¸¹¯¹ = logâ‚‰â�¹¯² = 2logâ�¹â‚‰ = -2