SOLUTION: good evening to all. Has somebody demo step by step why for ((0.12)^x)/((0.12)^(5-x))>0 all values of x are solutions? Many thanks in advance!!

Question 1012884: good evening to all. Has somebody demo step by step why for
((0.12)^x)/((0.12)^(5-x))>0 all values of x are solutions?
Many thanks in advance!!
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Okay, sure...for

we subtract exponents and get

Now if we examine this, notice that we have a positive quantity to some power...now, it does not matter what power you raise 0.12 to, it will always yield a positive result...that is why the original expression is always greater than zero, no matter what x you choose...

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