Question

$f(x)=xg(x)$. Does the continuity of $f$ implies that $g$ is also continuous everywhere except zero?

score 122 · Answer 1 · 2019-05-25 17:28:59

122

Views

$f(x)=xg(x)$. Does the continuity of $f$ implies that $g$ is also continuous everywhere except zero?

Published on 25 May 2019 - 17:28

score 568 · Answer 2 · 2019-05-26 13:30:41

568

Views

Show that the triangle with vertices's P (4; 3; 6); Q(-2; 0; 8) and R(1; 5; 0) is a right angled triangle and find its area

Published on 26 May 2019 - 13:30

score 82 · Answer 3 · 2019-05-26 17:08:12

82

Views

Length of vector $p=a+b+c$ when $a,b,c$ lengths are provided and $a,b,c$ make $60^\circ$ angles with each other

Published on 26 May 2019 - 17:08

score 95 · Answer 4 · 2019-05-26 18:16:11

A plane passes through the point $(1, 1, 1)$ and is perpendicular to each of the planes $3x − 2y + 3z + 6 = 0$ and $6x − 2y − 3z − 6 = 0$

score 294 · Answer 5 · 2026-03-25 15:41:24

294

Views

Help showing Frenet-Serret Formulas with respect to $t$

Published on 25 Mar 2026 - 15:41

score 261 · Answer 6 · 2019-05-27 05:16:55

261

Views

Vectors added up to give null vector.

Published on 27 May 2019 - 5:16

score 115 · Answer 7 · 2026-03-27 06:23:23

115

Views

Derivative Clifford algebra

Published on 27 Mar 2026 - 6:23

score 459 · Answer 8 · 2019-05-27 22:39:41

459

Views

what is a magnitude of an element in an vector? how to compute this magnitude?

Published on 27 May 2019 - 22:39

score 292 · Answer 9 · 2026-03-31 01:03:50

292

Views

Viewing the columns of a matrix as vectors, why do row operations not change the determinant?

Published on 31 Mar 2026 - 1:03

score 32 · Answer 10 · 2026-03-27 12:34:28

32

Views

Plane intersection by normal line

Published on 27 Mar 2026 - 12:34

score 150 · Answer 11 · 2019-05-28 22:37:52

150

Views

Telling if two vectors are perpendicular without calculating it

Published on 28 May 2019 - 22:37

score 99 · Answer 12 · 2026-03-26 07:59:18

99

Views

Measure of correlation between two vectors that also takes into account their magnitudes?

Published on 26 Mar 2026 - 7:59

score 172 · Answer 13 · 2026-03-25 22:01:48

172

Views

Rotating sphere centered at origin

Published on 25 Mar 2026 - 22:01

score 118 · Answer 14 · 2019-05-29 16:40:40

118

Views

Given two normals on the circumference of a circle, find the change in height between the two.

Published on 29 May 2019 - 16:40

score 110 · Answer 15 · 2019-05-30 15:38:08

110

Views

Smart way of doing scalar product

Published on 30 May 2019 - 15:38

List Question

$f(x)=xg(x)$. Does the continuity of $f$ implies that $g$ is also continuous everywhere except zero?

Show that the triangle with vertices's P (4; 3; 6); Q(-2; 0; 8) and R(1; 5; 0) is a right angled triangle and find its area

Length of vector $p=a+b+c$ when $a,b,c$ lengths are provided and $a,b,c$ make $60^\circ$ angles with each other

A plane passes through the point $(1, 1, 1)$ and is perpendicular to each of the planes $3x − 2y + 3z + 6 = 0$ and $6x − 2y − 3z − 6 = 0$

Help showing Frenet-Serret Formulas with respect to $t$

Vectors added up to give null vector.

Derivative Clifford algebra

what is a magnitude of an element in an vector? how to compute this magnitude?

Viewing the columns of a matrix as vectors, why do row operations not change the determinant?

Plane intersection by normal line

Telling if two vectors are perpendicular without calculating it

Measure of correlation between two vectors that also takes into account their magnitudes?

Rotating sphere centered at origin

Given two normals on the circumference of a circle, find the change in height between the two.

Smart way of doing scalar product

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