35. What is the general equation of a conic section with the point (0,0,1) as a center-point. Ans. a x² +2b" x y +a'y² +a" z²=0
35. What is the general equation of a conic section with the point (0,0,1) as a center-point. Ans. a x² +2b" x y +a'y² +a" z²=0
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:35. What is the general equation of a conic section with the point (0,0,1) as a center-point. Ans. ax² +2b" x y
+ a' y² +a" z²=0
36. Calculate the center-line of the conic section x² + 2xy +7y²-5xz-17yz+62²=0 conjugated to the
direction with slope -1.
Ans. y=1
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