Which of these represents a rational expression?
3
x
2
−
ln
(
6
x
)
x
+
1
x
2
\displaystyle {3}{x}^{{2}}-\frac{{\ln{{\left({6}{x}\right)}}}}{{x}}+\frac{{1}}{{x}^{{2}}}
3
x
2
−
x
ln
(
6
x
)
+
x
2
1
5
x
4
−
2
x
+
7
x
3
−
2
x
+
3
\displaystyle \frac{{{5}{x}^{{4}}-{2}{x}+{7}}}{{{x}^{{3}}-{2}{x}+{3}}}
x
3
−
2
x
+
3
5
x
4
−
2
x
+
7
ln
(
x
)
e
x
\displaystyle \frac{{\ln{{\left({x}\right)}}}}{{e}^{{x}}}
e
x
ln
(
x
)
2
x
\displaystyle {2}^{{x}}
2
x
Submit
Try another version of this question
License
[more..]