Write the value of the determinant 
.
We need to find the value of determinant,
Determinant of 3 × 3 matrices is found as,
Similarly,
Thus, the value of 
.
1
Write the value of the determinant .
We need to find the value of determinant,
Determinant of 3 × 3 matrices is found as,
Similarly,
Thus, the value of .