12. Explain why the solutions of the simultaneous equations ax + by + c = 0 dx + ey + ƒ = 0 have rational expressions in {a, b, c, d, e, f} whenever ae + bd.
12. Explain why the solutions of the simultaneous equations ax + by + c = 0 dx + ey + ƒ = 0 have rational expressions in {a, b, c, d, e, f} whenever ae + bd.
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter13: Conic Sections
Section13.1: Circles
Problem 48PS
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