Question

5log 3=p dan 2log 5= Q tentukan 15 log 20

Answer 1

¹⁵ log 20 = (⁵ log 20) : (⁵ log 15)
¹⁵ log 20 = ( ⁵ log 5 + ⁵ log 4) : (⁵ log 5 + ⁵ log 3)
¹⁵ log 20 = ( 1 + 1/ ⁴log 5) : (1 + p)
¹⁵ log 20 = ( 1 + 2/q) : (1 + p)
¹⁵ log 20 = ( q + 2) / (q + pq)

semoga membantu