JAMB Mathematics 2019 Objective — Question 33
Question 33 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2019 Objective paper, with the correct answer and a full explanation.
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Evaluate 5^(-3log₅ 2) × 2^(2log₂ 3)
- A. 8
- B. 1/8
- C. 1 1/8Correct
- D. 2/5
Explanation
5^(−3log₅ 2)=2⁻³=1/8. 2^(2log₂ 3)=3²=9. Product = 9/8 = 1⅛.
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