Question 1006907
The online answer you saw indicates some unclearness in your given expression.  You may really have  {{{ln((a^2)/((b^2)(c^(1/2))))}}}.


Breaking that into separate terms using log rules

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{{{ln(a^2)-ln((b^2)(c^(1/2)))}}}


{{{2*ln(a)-ln(b^2)-ln(c^(1/2))}}}


{{{2*ln(a)-2*ln(b)-(1/2)ln(c)}}}