Question

60
VIKAS
SCOUT AND GUIDE
STANDARD X
Code
NAVNEET this full answer ​

Answer 1

Explanation:

1 2 1 A = -1 0 2 0 1 -1

Expand along first column,

= 1(0-2)+1(-2-1)=-2-3=-50

Since determinant of matrix A is non-zero and order of matrix is 3

So the rank of the matrix is 3