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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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