$P=[x_0:y_0:z_0]$ is a singularity of $F=0$ iff $\frac{\partial F}{\partial x}(P)=\frac{\partial F}{\partial y}(P)=\frac{\partial F}{\partial z}(P)=0$

score 30 · Answer 6 · 2016-10-04 16:54:28

30

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find the value of |a+b|

Published on 04 Oct 2016 - 16:54

score 206 · Answer 7 · 2016-10-05 14:19:11

206

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Proof that a root of $x^3+4x=6$ is between 1.1 and 1.2

Published on 05 Oct 2016 - 14:19

score 39 · Answer 8 · 2016-10-05 19:47:43

39

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Solving for T in a parametric equation when x is known

Published on 05 Oct 2016 - 19:47

score 455 · Answer 9 · 2016-10-06 19:52:45

455

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If $x^3-9x^2+21x-3=0$ then evaluate $x(3-x)^2$

Published on 06 Oct 2016 - 19:52

score 161 · Answer 10 · 2026-03-25 06:05:08

161

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Choosing Parameters for a Cubic Rational Bezier Curve to Control Curvature

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score 253 · Answer 11 · 2016-10-11 18:50:22

253

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Solving $x+x^3=5$ without using the cubic equation.

Published on 11 Oct 2016 - 18:50

score 756 · Answer 12 · 2016-10-12 06:26:08

756

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Existence of integer solutions to $a^2 + b^2 + c^2 = d^2$ for specified $d$

Published on 12 Oct 2016 - 6:26

score 5.5k · Answer 13 · 2016-10-13 07:56:15

5.5k

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Show that the equation $x^3+3x+1=0$ has exactly one real solution

Published on 13 Oct 2016 - 7:56

score 535 · Answer 14 · 2016-10-15 17:21:25

535

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A cubic equation with at most one integer root

Published on 15 Oct 2016 - 17:21

score 916 · Answer 15 · 2016-10-23 00:27:27

916

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Published on 23 Oct 2016 - 0:27

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$P=[x_0:y_0:z_0]$ is a singularity of $F=0$ iff $\frac{\partial F}{\partial x}(P)=\frac{\partial F}{\partial y}(P)=\frac{\partial F}{\partial z}(P)=0$

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