Find the partial derivatives of $f (x,y) = x^2\sin(1/x)+y^2$ at (0,0)
31685
Differentiability of $f(x) = x^2 \sin{\frac{1}{x}}$ and $f'$
137550
Finding the derivatives of inverse functions at given point of c
94206
Numerical partial derivative
31051
Is $f(x,y)=(xy)^{2/3}$ differentiable at $(0,0)$?
61548
What would be the roots of the derivative of this polynomial
75390
How does one prove that if function's partial derivative respect to every variable is zero, function is constant?
104206
How to find the nth derivative?
49705
Is $f(x,y)=(x+2y+y^2+|xy|, 2x+y+x^2+|xy|)$ differentiable?
85085
Simplifying the derivative of $|x|$
129855
How to find root of derivative of any polynomial/equation?
153089
How to find $\partial\chi^2/\partial a$ where $\chi^2=\sum_{i=1}^N\frac{D(x_i)-a-b(x_i)^2}{\sigma_i^2}$?
40184
Notation in partial differentiation
91251
$n$th derivative of $e^{ax}\sin(bx+c)$
73073
Differentiating $y=x^{2}$
78753
$f(x,y)=4x^3y^2$ Dealing with Directional Derivatives and Vectors
38192
Derivative of inverse function at a point.
116520
formula for the $n$th derivative of $e^{-1/x^2}$