If the circles x² + y² + 2a'x+2b'y + c' = 0 and 2x² + 2y² + 2ax + 2ay + c = 0 c' intersect orthogonally, then prove that aa'+bb' = c + = 2
If the circles x² + y² + 2a'x+2b'y + c' = 0 and 2x² + 2y² + 2ax + 2ay + c = 0 c' intersect orthogonally, then prove that aa'+bb' = c + = 2
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 11E
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