Find the equations of both of the tangent lines to the ellipse $x^2+4y^2=36$ that pass through the point $(12,3)$.
30742
Find the tangent lines to the graph of $x^2+4y^2 = 36$ that go through the point $P=(12,3)$
125171
Help with this trigonometry problem?
72130
find the equation of the circle $x^2 +y^2 +ax +by = c$ passing through points $(6,8), (8,4), (3,9)$
71960
How to determine the equation and length of this curve consistently formed by the intersection of Circles
35504
The Diophantine equation $x^2 + 2 = y^3$
120531
How to find all solutions for Pell's equation $x^2 - Dy^2 = -1$ after the first $x_0$ and $y_0$?
95979
Trigonometry and algebra question
17545
Tangent lines to ellipse from external point
43537
How can $x^2y''-3xy'+3y=0$ be solved?
121084
Right triangles and tangent lines
88760
Find the integral solutions to $ x^2+y^2+z^2=x^2y^2$
147113
How to solve $2 \tan x / (1 - (\tan x)^2) = (\sin 2x)^2$?
31317
If we know $x+y+z=1$, $x^2+y^2+z^2=2$, and $x^3+y^3+z^3=3$, how to find $x^4+y^4+z^4$?
120379
The Path of the center of a cutting tool that will cut out an ellipse (x/4)2+(y/2)2=1
86894
Finding solution of a Trigonometric equation
63074
The equation of a family of circles passing through two given points
125537
Find the equations of the tangent line(s) that are parallel to the line $y= -4x +3$