Determinants - Online Test
Q1. 
Answer : Option B
Explaination / Solution:
Q2. The determinant 
Answer : Option B
Explaination / Solution:
Q3. The value of the determinant 
Answer : Option A
Explaination / Solution:
expanding along R1
Q4. 
then det. A is equal to
then det. A is equal to
Answer : Option A
Explaination / Solution:
Q5. The value of the determinant 
Answer : Option B
Explaination / Solution:
since C1 And C2 are identical
=(a+b+c)x0 =0
Q6. 
Answer : Option D
Explaination / Solution:
because , the value of the determinant is zero only when , the two of its rows or column are identical., Which is possible only when Either x = 3 or x = 4 .
because , the value of the determinant is zero only when , the two of its rows or column are identical., Which is possible only when Either x = 3 or x = 4 .
Q7. 
Answer : Option C
Explaination / Solution:
Q8. 
Answer : Option D
Explaination / Solution:
Q9. The value of determinant 
Answer : Option C
Explaination / Solution:
Q10. 
is equal to
is equal to
Answer : Option B
Explaination / Solution:
