4) The lemniscate curve (x? + y²)² = 4(x² – y²) was discovered by Jacob Bernoulli in 1694, who noted that it is "shaped like a figure 8, or a knot, or the bow of a ribbon." Find the coordinates of the four points at which the tangent line is horizontal.

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.2: Introduction To Conics: parabolas
Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.
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4) The lemniscate curve (x² + y²)² = 4(x² – y²)
was discovered by Jacob Bernoulli in 1694, who
noted that it is "shaped like a figure 8, or a knot, or
-
the bow of a ribbon." Find the coordinates of the
four points at which the tangent line is horizontal.
y
1
1
FIGURE 9 Lemniscate curve: (x² + y²)² = 4(x² – y²).
-
Transcribed Image Text:4) The lemniscate curve (x² + y²)² = 4(x² – y²) was discovered by Jacob Bernoulli in 1694, who noted that it is "shaped like a figure 8, or a knot, or - the bow of a ribbon." Find the coordinates of the four points at which the tangent line is horizontal. y 1 1 FIGURE 9 Lemniscate curve: (x² + y²)² = 4(x² – y²). -
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