Question

100 points

solve it properly ​

Answer 1

Answer:

HERE YOU GO .....

Explanation:

(1)the rank of the matrix is achieved by reducing into echelon form

so the rank of matrix is 3

(3)the elements are:

A13 = 19

A21 = 35

A33 = -5

A24 = 12

A23 = 5/2

hope it hepls you

Answer 2

(1) The rank of the matrix is achieve by reducing into echelon form

  so the rank of matrix is 3

(3) The elements are:

A13 = 19

A21 = 35

A33 = -5

A24 = 12

A23 = 5/2