Question

Solving integral by substitution

score 123 · Answer 1 · 2026-04-13 19:50:50

123

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Solving integral by substitution

Published on 13 Apr 2026 - 19:50

score 812 · Answer 2 · 2026-04-13 21:35:55

812

Views

Prove that the Tangent Plane of a Surface is a Vector Space from Definition

Published on 13 Apr 2026 - 21:35

score 2.7k · Answer 3 · 2026-04-13 16:09:58

2.7k

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Lagrange mean value theorem for two variables - visualization and intuition behind it

Published on 13 Apr 2026 - 16:09

score 480 · Answer 4 · 2026-04-16 17:44:32

480

Views

How to find extrema for given implicit function of $(x,y,z)$ variables?

Published on 16 Apr 2026 - 17:44

score 1k · Answer 5 · 2026-04-16 10:04:20

1k

Views

Prove that $\frac{x^2y}{1+x^4+y^2}$ has no global minimum

Published on 16 Apr 2026 - 10:04

score 149 · Answer 6 · 2026-04-25 15:13:02

149

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Which kind of functions $f(x, \ y)$ can be written as $g(x)\cdot h(y)$?

Published on 25 Apr 2026 - 15:13

score 56 · Answer 7 · 2026-04-16 22:37:13

56

Views

Continuity and differentiability of a function :$F(r,t) = (r\cos f(t), r\sin f(t))$

Published on 16 Apr 2026 - 22:37

score 115 · Answer 8 · 2026-04-11 09:47:59

115

Views

Checking if a root exists in a multidimensional polynomial

Published on 11 Apr 2026 - 9:47

score 186 · Answer 9 · 2026-04-22 10:42:39

186

Views

Find $\lim_{(x,y)\to(0,0)}\frac{\cos^{2}(x)-1+y^{2}}{\arctan^{4}(x)+y^{2}}$

Published on 22 Apr 2026 - 10:42

score 38 · Answer 10 · 2026-04-13 00:33:55

38

Views

Finding limit of norm of difference quotient

Published on 13 Apr 2026 - 0:33

score 476 · Answer 11 · 2026-04-16 15:51:35

476

Views

Find a curve on $xy$-plane which passes through $(1, 1)$ and intersects all level curves of the function $f(x, y) = x^2e^y$ orthogonally.

Published on 16 Apr 2026 - 15:51

score 42 · Answer 12 · 2026-04-10 16:56:55

42

Views

How to find curvature when the first derivative of the parametrization is not regular

Published on 10 Apr 2026 - 16:56

score 113 · Answer 13 · 2026-04-14 13:51:28

113

Views

Question on Multidimensional Taylor Polynomials for Composite Functions

Published on 14 Apr 2026 - 13:51

score 65 · Answer 14 · 2026-04-13 00:50:56

65

Views

Same flux through every cross section.

Published on 13 Apr 2026 - 0:50

score 1k · Answer 15 · 2026-04-15 14:57:49

1k

Views

Chain rule for Hessian. How to compute $D^2 f^\alpha$

Published on 15 Apr 2026 - 14:57

List Question

Solving integral by substitution

Prove that the Tangent Plane of a Surface is a Vector Space from Definition

Lagrange mean value theorem for two variables - visualization and intuition behind it

How to find extrema for given implicit function of $(x,y,z)$ variables?

Prove that $\frac{x^2y}{1+x^4+y^2}$ has no global minimum

Which kind of functions $f(x, \ y)$ can be written as $g(x)\cdot h(y)$?

Continuity and differentiability of a function :$F(r,t) = (r\cos f(t), r\sin f(t))$

Checking if a root exists in a multidimensional polynomial

Find $\lim_{(x,y)\to(0,0)}\frac{\cos^{2}(x)-1+y^{2}}{\arctan^{4}(x)+y^{2}}$

Finding limit of norm of difference quotient

Find a curve on $xy$-plane which passes through $(1, 1)$ and intersects all level curves of the function $f(x, y) = x^2e^y$ orthogonally.

How to find curvature when the first derivative of the parametrization is not regular

Question on Multidimensional Taylor Polynomials for Composite Functions

Same flux through every cross section.

Chain rule for Hessian. How to compute $D^2 f^\alpha$

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