Question

please answer my question please​

Answer 1

Answer:

rank is 2

Step-by-step explanation:

(1×4)-(-3×2)=4+6=10

det not equal to 0 i.e the given matrix is non singular.

We know that if atleast one of 2 by 2 matrix is non zero,then rank =2

Answer 2

Solution:

1 -3
2 4

Eliminate elements in the 1st column under the 1st element.

1 -3
0 10

Calculate the number of linearly independent rows.

1 -3
0 10

Therefore, the matrix rank is 2.