Question

Diketahui 2 log 12 = p nyatakan 2 log 9 dalam p

Answer 1

2 log 12 = 2 log (3 × 4)
= 2 log 3 + 2 log 4
= 2 log 3 + 2
2 log 3 + 2 = p
2 log 3 = p - 2

2 log 9 = 2 log (3×3)
= 2 log 3^2
= 2 (2 log 3)
= 2 (p - 2)
= 2p - 4