Algebra
posted by Alicia .
Please express in terms of sums and differences in logarithms.
log a x^3 y^2 z

Add the logs of every term in the product. For the x^3 term, you get 3logx. You do the rest. Let us know if you want your answer checked

1 log a 3log x 2log y 1 logz Is this correct?

No. You have to add the logs of each term. Remember that
log (abc) = log a + log b + log c etc.
Your answer should be
log (a x^3 y^2 z) = log a + 3 log x + 2 log y + log z 
Please express in terms of sums and differences in logarithms.
log a x^3 y^2 z
For log_a (x^3) we can use the rule
log_b (m^n) = nlog_b (x).
The log_a (x^3) becomes 3xlog_a (x).
===================================
We usethe same rule for y^2.
y^2 becomes 2log_y.
And finally, z becomes log_z.
We now use the sum rule:
log_b(mn) = log_b(m) + log_b(n).
3log_a(x) + 2log_y + log_z
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