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#### SiddharthThakur

##### New member

- Mar 23, 2013

- 6

The reduced row echelon form of

3

4 17 22

1 2 5

row

a

b

A is equal to

0 0 0 0

0 0 1 2

1 2 0 3

R .

(a) What can you say about row 3 of A? Give an example of a possible third row for A.

(b) Determine the values of a and b.

(c) Determine the solution of the homogeneous system of equations Rx = 0 in parametric vector

form.

(d) What is the dimension of the column space of A? Do the columns of A span R3 ?