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Jack
10-10-2013, 11:13 AM
How can we find the expression \frac{5^x+2+5^x-1}{5^x+5^x-1}?

miranda
10-10-2013, 11:13 AM
\frac{5^x+2+5^x-1}{5^x+5^x-1}
First we must factorize the numerator and the denominator
\frac{5^{x-1}(5^3+5)}{5^{x-1}(5+1)}=
\frac{5^3+5)}{5+1}= \frac{125+5}{5+1} = \frac{130}{6}= \frac{65}{3}

hope these help!

Jack
10-10-2013, 11:14 AM
Thanks a lot :o:)