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androidonyourface
Write the expression as a single natural logarithm Ln 9 + Ln 2
Ln(a) + ln(b) = ln(ab)
ParthKohli wrote above this law of logarithms: ln(a) + ln(b) = ln(ab) Here's an example: ln(4) + ln(5) = ln(4*5) = ln(20) Now apply the law, with the help of the example, to your problem.
ln (18) @mathstudent55