Suppose that a 3x3 matrix A has three columns C1, C2, C3 which span the plane given by x + 2y – 5z = 0. Given the column vector (1, 1, 1)² and v = (x, Y, z)* (x, y, a) is the system Av = b consistent? %3D b) How many pivots does the matrix A have? c) Find a specific matrix A whose columns span the plane x + 2y – 5z = 0.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Please help. This problem involves finding the pivots of a linear system. I only need part b. Thank you.

Suppose that a 3x3 matrix A has three columns C1, C2, C3 which span the plane
given by x + 2y – 5z = 0. Given the column vector (1, 1, 1)² and v = (x, Y, z)*
a) is the system Av = b consistent?
b) How many pivots does the matrix A have?
c) Find a specific matrix A whose columns span the plane x + 2y – 5z = 0.
Transcribed Image Text:Suppose that a 3x3 matrix A has three columns C1, C2, C3 which span the plane given by x + 2y – 5z = 0. Given the column vector (1, 1, 1)² and v = (x, Y, z)* a) is the system Av = b consistent? b) How many pivots does the matrix A have? c) Find a specific matrix A whose columns span the plane x + 2y – 5z = 0.
Expert Solution
Step 1

a) yes the linear system is consistent

Since the rank of coefficient matrix is same as the rank of augmented matrix which is 1.

b) there are two pivots are there 

We named them as k and l. 

C) 

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