log-abc-b-3-log-abc-c-4-log-abc-a-

Question Number 12093 by uni last updated on 13/Apr/17

\log_{abc} b = 3

\log_{abc} c = 4

\log_{abc} a = ?

Answered by ajfour last updated on 13/Apr/17

\log_{a b c} a b c = (\log_{a b c} a) + (\log_{a b c} b) + (\log_{a b c} c) = 1

(\log_{a b c} a) + 3 + 4 = 1

\log_{a b c} a = - 6 .

Facebook Tweet Pin