2 The parabola y = x + 9 has two tangents which pass through the point (0, – 6). One is tangent to the to the parabola at (A, A² + 9) and the other at (- A, A? + 9) . Find (the positive number) A.
2 The parabola y = x + 9 has two tangents which pass through the point (0, – 6). One is tangent to the to the parabola at (A, A² + 9) and the other at (- A, A? + 9) . Find (the positive number) A.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.3: Hyperbolas
Problem 58E
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