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If G = X| is alx1 matrix, and A is a 1xn matrix, is it true that XA = GA for an)- any number A. Is it true for AA = AG? If it's true, then prove it with A = (a 02 f it's false, give an example. %3D

If G = X| is alx1 matrix, and A is a 1xn matrix, is it true that XA = GA for an)- any number A. Is it true for AA = AG? If it's true, then prove it with A = (a 02 f it's false, give an example. %3D

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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If G = [A is alx1 matrix, and A is a 1xn matrix, is it true that XA =GADI %3D any number A. Is it true for AA = AG? If it's true, then prove it with A = [a1 02 · ns an). If it's false, give an example.
Transcribed Image Text:If G = [A is alx1 matrix, and A is a 1xn matrix, is it true that XA =GADI %3D any number A. Is it true for AA = AG? If it's true, then prove it with A = [a1 02 · ns an). If it's false, give an example.
Let 0 < a < b < c be constants For what values of x is the following inequality true? Ax+ bx + c ax2 a+1)x² + (b+ 1)x + (c+ 1) a +1 Answer should be terms of a, b, c.
Transcribed Image Text:Let 0 < a < b < c be constants For what values of x is the following inequality true? Ax+ bx + c ax2 a+1)x² + (b+ 1)x + (c+ 1) a +1 Answer should be terms of a, b, c.
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