Asked by p1

3^x=9x

please show workings
Answered by Steve
this kind of problem is hard to solve in general. But, list the first few powers and multiples of 3, and it should not take long to find the answer.
Answered by p1
yeah, but diz theory qstn. You mean it can't be solved?? what abt using theory of logarithm?
Answered by Steve
well, ok. I spoke to soon. Of course, if you know about logs, then

3^x = 9x
x log3 = log9 + logx
xlog3 - logx = log9

Unfortunately, that isn't any easier to solve than the original equation.
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