4. What relationship must hold between the constants a, b and c to make e-(az?+2bzy+cy") drdy = 1 ar+By and t = yr+oy, where (ad – B7)2 = ac-b. Then ar?+2bry+ cy? = (Hint: Let s = s² + t2.)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
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Chapter2: Equations And Inequalities
Section2.7: More On Inequalities
Problem 44E
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4. What relationship must hold between the constants a, b and c to make
e-(az*+2bzy+cy)
dædy = 1
(Hint: Let s = ar+By and t = yr+dy, where (ad- B7)2 = ac-b2. Then ar?+2bry+ cy? =
s2 + t2.)
Transcribed Image Text:4. What relationship must hold between the constants a, b and c to make e-(az*+2bzy+cy) dædy = 1 (Hint: Let s = ar+By and t = yr+dy, where (ad- B7)2 = ac-b2. Then ar?+2bry+ cy? = s2 + t2.)
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