# algebra

posted by anon

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

1. Steve

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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