Finding the equation of more than one tangent line
30742
Find the tangent lines to the graph of $x^2+4y^2 = 36$ that go through the point $P=(12,3)$
125378
Finding the 1st three derivatives of a function and plotting all four curves
76001
Construct a fourth circle tangent to 3 circles forming a tangency chain
86894
Finding solution of a Trigonometric equation
108885
Systems of equations with a single number
108558
Find multiple solutions of a non-linear system with more variables that equations
28374
calculus expressions
133264
Constructing a circle through a given point, tangent to a given line, and tangent to a given circle
76889
How do I evaluate several n-th derivatives of a function at one point?
128535
Find the equation of the tangent line to $y=x^4-4x^3-5x+7$
144901
Tangent to a circle through a point
60811
How to find the equation of a line, tangent to a circle, that passes through a given external point
63074
The equation of a family of circles passing through two given points
15596
Identification of each tangent space $T_pV$ with $V$ itself?
118634
The system of equations
12726
Differentiating both sides of a non-differential equation
106212
Multiple derivative notation