Question

the rank of matrix ( 1 2 3 4 ) is
2 -1 -4 3
3 1 -1 7
4 3 2 11
OPTIONS:
(A) 4
(B) 3
(C) 1
(D) 2

Answer 1

Answer:

D is the Answer and follow mark me as a brainliest

Answer 2

Answer:

Correct option is B)

Since the matrix has 3 linear independent rows.

then R

4

must be linear combination of R

1

,R

2

,R

3

R

4

=R

1

+R

2

+R

3

∴α=0+2+3

∴α=5