Question

Prove that a particle moves along a circle

score 546 · Answer 1 · 2026-03-26 18:30:00

546

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Prove that a particle moves along a circle

Published on 26 Mar 2026 - 18:30

score 136 · Answer 2 · 2020-03-07 21:23:46

136

Views

Finding the perimeter of the shape of $x^2+x^2y^2+y^2=a^2$

Published on 07 Mar 2020 - 21:23

score 16 · Answer 3 · 2026-03-10 19:23:30

16

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On various angular velocities of a straight line $y$ = $\frac{a}{100}\times x$, with $a$ varying from $-1000$ to $+1000$.

Published on 10 Mar 2026 - 19:23

score 745 · Answer 4 · 2026-03-27 04:24:19

745

Views

Triangular prism, centroid of a triangle

Published on 27 Mar 2026 - 4:24

score 50 · Answer 5 · 2026-03-28 12:14:11

50

Views

Show that if a closed planar curve has perimeter zero then its enclosed area is zero

Published on 28 Mar 2026 - 12:14

score 254 · Answer 6 · 2020-03-11 14:08:27

254

Views

if two lines are coplanar. find number of ways to find plane in it

Published on 11 Mar 2020 - 14:08

score 44 · Answer 7 · 2020-03-11 20:29:20

44

Views

Equal length of line segments: alternative proofs

Published on 11 Mar 2020 - 20:29

score 166 · Answer 8 · 2020-03-11 23:14:18

166

Views

Cutting a tetrahedron on $n$ pieces of equal volume by planes parallel to a face

Published on 11 Mar 2020 - 23:14

score 123 · Answer 9 · 2020-03-12 06:49:22

123

Views

Show that a necessary and sufficient condition is either $ac<0$ or $bc<0$.

Published on 12 Mar 2020 - 6:49

score 129 · Answer 10 · 2020-03-12 07:25:56

If a circle intersects the hyperbola $y=1/x$ at four distinct points $(x_i,y_i), i=1,2,3,4,$ then prove that $x_1x_2=y_3y_4$.

score 73 · Answer 11 · 2020-03-12 14:32:42

73

Views

Find the locus of the point $P$ on the circumference of the circle which is on the origin at the initial position of the circle.

Published on 12 Mar 2020 - 14:32

score 1k · Answer 12 · 2026-03-31 22:28:04

1k

Views

If a line makes angles $\alpha$, $\beta$, $\gamma$, $\delta$ with a cube's diagonals, then $\cos2\alpha+\cos2\beta+\cos2\gamma+\cos2\delta=-\frac43$

Published on 31 Mar 2026 - 22:28

score 394 · Answer 13 · 2020-03-13 20:31:49

394

Views

Calculate elevation (view) angle with incidence angle

Published on 13 Mar 2020 - 20:31

score 50 · Answer 14 · 2020-03-14 10:57:08

50

Views

Intuitively understanding the general form of a line through vectors

Published on 14 Mar 2020 - 10:57

score 39 · Answer 15 · 2026-03-26 06:28:39

39

Views

Why does point $A=(a,b)$ with $a$ and $b$ varying from $-10$ to $+10$ follow a rectangular path on the graphing calculator?

Published on 26 Mar 2026 - 6:28

List Question

Prove that a particle moves along a circle

Finding the perimeter of the shape of $x^2+x^2y^2+y^2=a^2$

On various angular velocities of a straight line $y$ = $\frac{a}{100}\times x$, with $a$ varying from $-1000$ to $+1000$.

Triangular prism, centroid of a triangle

Show that if a closed planar curve has perimeter zero then its enclosed area is zero

if two lines are coplanar. find number of ways to find plane in it

Equal length of line segments: alternative proofs

Cutting a tetrahedron on $n$ pieces of equal volume by planes parallel to a face

Show that a necessary and sufficient condition is either $ac<0$ or $bc<0$.

If a circle intersects the hyperbola $y=1/x$ at four distinct points $(x_i,y_i), i=1,2,3,4,$ then prove that $x_1x_2=y_3y_4$.

Find the locus of the point $P$ on the circumference of the circle which is on the origin at the initial position of the circle.

If a line makes angles $\alpha$, $\beta$, $\gamma$, $\delta$ with a cube's diagonals, then $\cos2\alpha+\cos2\beta+\cos2\gamma+\cos2\delta=-\frac43$

Calculate elevation (view) angle with incidence angle

Intuitively understanding the general form of a line through vectors

Why does point $A=(a,b)$ with $a$ and $b$ varying from $-10$ to $+10$ follow a rectangular path on the graphing calculator?

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