7.5
Parabola focus
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Visual Calculus
Calculus II
Chapter 2 · Applications of Integration
2.1-2.2
Areas & Slicing
2.3-2.4
Shells & Arc Length
2.5
Physical Applications
2.6
Centers of Mass
2.7-2.9
Log, Exp & Hyperbolic
Chapter 3 · Techniques of Integration
3.1-3.4
Techniques I
3.5-3.7
Techniques II
Chapter 5 · Sequences and Series
5.1-5.3
Sequences & Series I
5.4-5.6
Sequences & Series II
Chapter 7 · Parametric Equations and Polar Coordinates
7.1-7.2
Parametric Curves
7.3-7.4
Polar Curves
7.5
Conics
7.5
Cone slice
7.5
Parabola focus
7.5
Ellipse foci
7.5
Hyperbola asymptotes
7.5
Eccentricity
Chapter 6 · Power Series
6.1-6.2
Power Series I
6.3-6.4
Power Series II
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Calculus II
Sections 7.5
7.5 A parabola is equal distance from focus and directrix
7.5
A parabola is equal distance from focus and directrix
1
Interactive view
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A tilted plane cuts every conic from one cone
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An ellipse keeps the focal sum constant