PROVE: Can a Linear System Have Exactly Two Solutions? (a) Suppose that (xo, Yor zo) and (x1, y1, 21) are solutions of the system ax + by + c,z = d, azx + bzy + C2z = d2 azx + bzy + C32 = dz (X + x Yo+ yi 20 + z1 2 2' 2 Show that is also a solution. (b) Use the result of part (a) to prove that if the system has two different solutions, then it has infinitely many solutions.
PROVE: Can a Linear System Have Exactly Two Solutions? (a) Suppose that (xo, Yor zo) and (x1, y1, 21) are solutions of the system ax + by + c,z = d, azx + bzy + C2z = d2 azx + bzy + C32 = dz (X + x Yo+ yi 20 + z1 2 2' 2 Show that is also a solution. (b) Use the result of part (a) to prove that if the system has two different solutions, then it has infinitely many solutions.
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter5: Systems Of Equations And Inequalities
Section5.2: Systems Of Linear Equations In Several Variables
Problem 49E
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