41 . Express the following logarithms in terms of ln 2 and ln 3.

CH1.6 Functions and Their Graphs Ex41
數學系卡安很閒 所以決定拯救沒辦法用slader和chegg的莘莘學子
(a)ln0.75
(b)ln(4/9)
(c)ln(1/2)
(d)ln(9^(1/3))
(e)ln3sqrt(2)
(f)lnsqrt(13.5)