SOLUTION: reduce in only one expresion a) log3 x + log3 5y

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Question 909438: reduce in only one expresion
a) log3 x + log3 5y
Found 2 solutions by MathLover1, Theo:
Answer by MathLover1(20850) About Me  (Show Source):
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
log3(x) + log3(5y) is the same as log3(x * 5y)

this is based on the logarithm property that log(a*b) = log(a) + log(b)

this applies to all log bases as long as they are the same.

here's a good reference on logs that you might find helpful.

http://www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut44_logprop.htm