The equation of an ellipse is 2x² + 6y² + 6x-8y-6 = 0; determines the values of parameter k for which the lines of the family 5x + 2y + k = 0: a) They cut the ellipse at two different points b) They are tangent to the ellipse c) They do not intersect the ellipse ***
The equation of an ellipse is 2x² + 6y² + 6x-8y-6 = 0; determines the values of parameter k for which the lines of the family 5x + 2y + k = 0: a) They cut the ellipse at two different points b) They are tangent to the ellipse c) They do not intersect the ellipse ***
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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Step 1
For a quadratic equation of the form: , the discriminant: D is calculated using the equation: .
- If , then the quadric equation has two real and unequal roots.
- If , then the roots are real and equal.
- If , the roots are imaginary and unequal.
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