SOLUTION: Express as a single natural log: 21nx - 51ny + 31nz

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Question 46227: Express as a single natural log:
21nx - 51ny + 31nz
Answer by venugopalramana(3286) About Me  (Show Source):
You can put this solution on YOUR website!
USE LN(X*Y)=LN(X)+LN(Y)
LN(/Y)=LN(X)-LN(Y)
LN(X^P)=P*LN(X)
Express as a single natural log:
21nx - 51ny + 31nz
=LN(X^2)-LN(Y^5)+LN(Z^3)
=LN{(X^2)*(Z^3)/(Y^5)}