The simultaneous linear equations mx + 7y= 12 and 7x+my = m have a unique solution only for A. m = 7 or m = -7 B. m = 12 or m = 3 C. me R\{-7,7} D. m = 4 or m=3 E. m R\{12, 1}
The simultaneous linear equations mx + 7y= 12 and 7x+my = m have a unique solution only for A. m = 7 or m = -7 B. m = 12 or m = 3 C. me R\{-7,7} D. m = 4 or m=3 E. m R\{12, 1}
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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Transcribed Image Text:The simultaneous linear equations mx + 7y= 12 and 7x+my=m have a unique solution only for
A. m 7 or m=-7
B. m = 12 or m = 3
C. m = R\{-7,7}
D. m = 4 or m = 3
m R\{12, 1}
E.
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