Homework Help: algebra

Posted by anon on Sunday, December 18, 2011 at 6:06pm.

solve the exponential equation Express in exact form.
5e^xlog_9 = 11
Is x = (ln11-ln5/log_9 exact form??????

algebra - Steve, Sunday, December 18, 2011 at 8:27pm
assuming you mean

5e^(xlog 9) = 11
then
e^(x ln 9) = 11/5
x ln 9 = ln(11/5)
x = (ln 11 - ln 5)/ln 9

you are correct

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