DeterminantHard
Question
If ᐃ1 = 
, ᐃ2 = 
, then the value of ᐃ1 - ᐃ2 is
, ᐃ2 = , then the value of ᐃ1 - ᐃ2 isOptions
A.x + y/2 + z
B.2
C.0
D.3
Solution
ᐃ1 = 
= 4 
ᐃ2 =
= 4 
C1 ↔ C1 followed by
ᐃ2 =
R1 ↔ R2 followed by
ᐃ2 = ᐃ1
ᐃ1 - ᐃ2 = 0
= 4 ᐃ2 =
= 4 C1 ↔ C1 followed by
ᐃ2 =
R1 ↔ R2 followed by
ᐃ2 = ᐃ1
ᐃ1 - ᐃ2 = 0
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