2. Consider Pell's equation associated to n = 2: x²2y² = = 1. One of the solutions is N(1, 0) (a) Using computer software, plot the curve H defined by the above equation. (b) Find two solutions where x, y> 0 by trial and error. Call them A(x1, y₁) and B(x2, y2). (c) Find the equation of the line AB.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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2.
Consider Pell's equation associated to n = 2:
x² - 2y² = 1.
One of the solutions is N(1, 0)
(a) Using computer software, plot the curve H defined by the above equation.
(b) Find two solutions where x, y > 0 by trial and error. Call them A(x₁, y₁) and B(x2, Y2).
(c) Find the equation of the line AB.
(d) Find the equation of the line parallel to AB and passing through N. Call this line L.
(e) Find the other point of intersection of L and H, call it X (x3, y3). What do you observe?
Bonus Express the coordinates of X in term of x1, y1, x2, Y2.
Transcribed Image Text:2. Consider Pell's equation associated to n = 2: x² - 2y² = 1. One of the solutions is N(1, 0) (a) Using computer software, plot the curve H defined by the above equation. (b) Find two solutions where x, y > 0 by trial and error. Call them A(x₁, y₁) and B(x2, Y2). (c) Find the equation of the line AB. (d) Find the equation of the line parallel to AB and passing through N. Call this line L. (e) Find the other point of intersection of L and H, call it X (x3, y3). What do you observe? Bonus Express the coordinates of X in term of x1, y1, x2, Y2.
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