SOLUTION: I need help in trying to rewrite this expression as a single logarithm. Log(Q^5) + Log(Q^3) - Log(Q) Thanks!

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Question 380543: I need help in trying to rewrite this expression as a single logarithm.
Log(Q^5) + Log(Q^3) - Log(Q)
Thanks!
Found 2 solutions by stanbon, rfadrogane:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Log(Q^5) + Log(Q^3) - Log(Q)
====
= Log[Q^5*Q^3/Q]
-----
= Log[Q^7]
or
= 7Log[Q]
=================
Cheers,
Stan H.

Answer by rfadrogane(214) About Me  (Show Source):
You can put this solution on YOUR website!

Log(Q^5) + Log(Q^3) - Log(Q)
Sol'n:
recall: log A + log B = log AB
log A - log B = log (A/B)
thus,
= log(Q^5) + log(Q^3) - log(Q)
= log (Q^5/Q^3)- log Q
= log (Q^2)- log Q
= log (Q^2/Q)
= log Q ----answer