Question 727915

{{{ ln(16) - ln(8) =ln(16/8)=ln(2)=0.693147}}}



{{{(1/2)ln(9) + ln(3x)=ln(9^(1/2)) + ln(3x)=ln(sqrt(9)) + ln(3x)=ln(3) + ln(3x)=ln(3*3x)=ln(9x)}}}



{{{a*ln(4) +3*ln(y)=a*ln(2^2) +3*ln (y)=2a*ln(2)+3*ln(y)}}}