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.

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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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.
Transcribed Image Text: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.
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