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(A) B (D For an upper triangular system, the system has a unique solution if there is absurdity or contradiction there is/are free variable . there is no free variable it has an identity (identity means an equation which is always true)

(A) B (D For an upper triangular system, the system has a unique solution if there is absurdity or contradiction there is/are free variable . there is no free variable it has an identity (identity means an equation which is always true)

Advanced Engineering Mathematics
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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(A) B (D For an upper triangular system, the system has a unique solution if there is absurdity or contradiction there is/are free variable . there is no free variable it has an identity (identity means an equation which is always true).
Transcribed Image Text:(A) B (D For an upper triangular system, the system has a unique solution if there is absurdity or contradiction there is/are free variable . there is no free variable it has an identity (identity means an equation which is always true).
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