Question

If ln(a)=2, ln(b)=3, and ln(c)=5, evaluate the following:

ln(a^-4/b^1 c^1)

Answer 1

ln ( a^(-4) / b^1 c^1 ) =
= ln a ^(-4) - ( ln b + ln c ) =
= - 4 ln a - ln b - ln c =
= - 4 * 2 - 3 - 5 =
= - 8 - 3 - 5 = - 16