WAEC Mathematics 2023 Objective — Question 45
Question 45 of 50 from the West African Examinations Council (WAEC) Mathematics 2023 Objective paper, with the correct answer and a full explanation.
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If log₃3=m and log₅5=p, find log₇₅75.
- A. m+p²
- B. 2m+p
- C. m+2pCorrect
- D. m+p131
Explanation
log_a75=log_a(25×3)=log_a5²+log_a3=2log_a5+log_a3=2p+m=m+2p.
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