How do I express "x" from this equation?: $y=x/(x^2+1)$
113045
How do I find the inverse of $f(x) = \frac{x}{x^2 + 1}$
31089
Differentiating expressions with division in them
61105
solve$\frac{xdx+ydy}{xdy-ydx}=\sqrt{\frac{a^2-x^2-y^2}{x^2+y^2}}$
75487
How to express trigonometric equation in terms of of given trigonometric function?
41655
Simple equation for $x$ but getting no proof.
71465
solution of $y' = \exp \left(-\frac yx\right) + \frac yx$
94585
Solving for a variable that's an exponent
151857
Explain the equation
105433
Graphing $y = \frac{x^2-4}{x-2}$
146721
Write this equation
98921
Does $y(y+1) \leq (x+1)^2$ imply $y(y-1) \leq x^2$?
120430
A question about how to express a fraction as ${1\over q_1}+{1\over q_2}+ \cdots+{1\over q_N}$
157918
Finding the derivative of $x^x$
79040
Graph of $|x| + |y| = 1$
10068
$f(x,y)= e^{-\frac{1}{x^2+y^2}}$ when $(x,y)\neq (0,0)$ and $f(0,0)=0$.
21121
Express $w$ and $1/w$ for $w=\frac {\sqrt2+\sqrt3}{\sqrt5-\sqrt3}$ in the simplest form with a rational denominator
128764
How does $y[x] = a x^r$ when $y'[x] = \frac{(r y[x])}{x}$ and $y[1] = a$