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If two rows (or column) are identical or...

If two rows (or column) are identical or Proportional the value of the determinant is

A

0

B

1

C

`-1`

D

Can be any real value

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The correct Answer is:
A
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PUNEET DOGRA-DETERMINANTS -PREV YEAR QUESTIONS
  1. If any two adjacent rows or columns of a determinant are interchanged ...

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  2. The determinant of a skew symmetric matrix of odd order is

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  3. If C(ij) is the cofactor of the element a(ij) of the determinant |{:(2...

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  4. What is the value of the determinant |(1,bc,a(b+c)),(1,ca,b(c+a)),(1,a...

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  5. If D is determinant of order 3 and D' is the determinant obtained by r...

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  6. Consider the following statements I. A matrix is not a number. II....

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  7. The roots of the equation |(1,t-1,1),(t-1,1,1),(1,1,t-1)| = 0 are

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  8. The value of the determinant |(m,n,p),(p,m,n),(n,p,m)|

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  9. If each element in a row of a determinant is multiplied by the same fa...

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  10. If two rows (or column) are identical or Proportional the value of the...

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  11. If |(8,-5,1),(5,x,1),(6,3,1)| = 2, then what is the value of x ?

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  12. If A = ((1,2),(2,3))and = ((1,0),(1,0)), then what is the value of det...

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  13. What is the value of |(-a^(2),ab,ac),(ab,-b^(2),bc),(ac,bc,-c^(2))| ?

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  14. What is the value of |(1,omega,2 omega^(2)),(2,2omega^(2),4 omega^(3))...

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  15. The root of the equation |(x,alpha,1),(beta,x,1),(beta,gamma,1)| = 0 a...

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  16. If |(p,-q,0),(0,p,q),(q,0,p)|=0, then which one of the following is co...

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  17. What is the value of the determinant |(a-b,b+c,a),(b-c,c+a,b),(c-a,a...

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  18. What is the value of the determinant ? |(x+1,x+2,x+4),(x+3,x+5,x+8),...

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  19. If 5 and 7 are the roots of the equation |(x,4,5),(7,x,7),(5,8,x)| = 0...

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  20. If |(a,b,c),(l,m,n),(p,q,r)|=2, then what is the value of the determin...

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