Determinants - Online Test
Q1. DELETE IT 
Answer : Option B
Explaination / Solution:
Q2. The only integral root of the equation det. 
Answer : Option D
Explaination / Solution:
The value of determinant is 0 if any two rows or column are identical and Clearly , y = 1 satisfies it.
if we take common as 3 from C3 THEN C1 And C3 Becomes identical after puting y=1.
Q3. Solution set of the equation 
Answer : Option D
Explaination / Solution:
expanding along R1
Q4. Solution set of the equation 
Answer : Option B
Explaination / Solution:
Q5. 
is equal to
is equal to
Answer : Option A
Explaination / Solution:
Q6. 
Answer : Option C
Explaination / Solution:
Q7. 
Answer : Option C
Explaination / Solution:
Q8. 
then D is equal to
then D is equal to
Answer : Option D
Explaination / Solution:
Q9. One of the factors of 
Answer : Option D
Explaination / Solution:
Therefore, one of the factors of given determinants is (a + b + c +d ).
Q10. 
Answer : Option A
Explaination / Solution:
