Question

Jika b=a4, a dan b bilangan real positif,a bukan 1,b bukan 1 tentukan a log b- b log a . tolong ya btuh nih buat ujian besok

Answer 1

........  alogb = 4

alogb-bloga = alob - 1/alogb = 4 - 1/4 = 3/4

Answer 2

b = a^4 ===> a log b = a log a^4 = 4  dan b log a = a^4 log a = 1/4

alog b - blog a = 4 - 1/4 = 3 3/4