Fill in the blanks
If x, y, z ∈ R, then the value of determinant
is equal to ___.
If x, y, z ∈ R, then the value of determinant
is equal to 0.
Explanation:
Given 
Performing the operation C1→ C1 – C2,

We know that (a + b)2 – (a – b)2 = 4ab.


C1 and C3 are proportional to each other.
