Home
Class 12
MATHS
If |(a,b,a alpha+b),(b,c, b alpha+c),(a ...

If `|(a,b,a alpha+b),(b,c, b alpha+c),(a alpha+b, b alpha+c,0)|=0` then

A

a,b,c are in A.P

B

a,b,c aare in G.P.

C

a,b,c are in H.P

D

a,c,b are in A.P

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1C MCQ (INVERSE MATRIX)|88 Videos

  • MATRICES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1D MCQ (LINEAR EQUATIONS)|53 Videos

  • MATRICES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1A MCQ (ALGEBRA OF MATRICES)|135 Videos

  • MATHEMATICAL REASONING [APPENDIX - 4]

    DIPTI PUBLICATION ( AP EAMET)|Exercise Exercise|150 Videos

  • MEASURES OF DISPERSION

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE-2 ( SET -4)|2 Videos

Similar Questions

Explore conceptually related problems

If A ( cos alpha, sin alpha ), B (sin alpha - cos alpha ), C( 1, 2 ) are the vertices of a Delta ABC , then the locus of its centroid is

I : If (cos alpha )/(a)=(sin alpha )/(b) then a cos 2 alpha + b cos 2 alpha =a II : If (sin alpha )/(a) =(cos alpha )/(b) then a sin 2 alpha + b cos 2 alpha = a

If A=[(a,b),(b,a)] and A^(2)=[(alpha, beta),(beta, alpha)] then

If x=a ( " cosec " alpha + cot alpha) and y=(b(1- cos alpha))/(sin alpha ) , then

IF (a alpha + b )^(-2)+ ( abeta + b)^(-2) =1 , where alpha , beta are the roots of a x^2 + bx +c=0 then ac (ac +2)=

If (sin alpha )/(a) = ( cos alpha )/(b) , then a sin 2alpha + b cos 2 alpha =

DIPTI PUBLICATION ( AP EAMET)-MATRICES-EXERCISE 1B MCQ (DETERMINANTS)
  1. If a,b,c, are in A.P. then |(x+1,x+2,x+a),(x+2,x+3,x+b),(x+3,x+4,x+c)|...

    Text Solution

    |

  2. |(a,b,ax+by),(b,c,bx+cy),(ax+by,bx+cy,0)|=

    Text Solution

    |

  3. If |(a,b,a alpha+b),(b,c, b alpha+c),(a alpha+b, b alpha+c,0)|=0 then

    Text Solution

    |

  4. |(1+i,1-i,1),(1-i,1,1+i),(1,1+i,1-i)|=

    Text Solution

    |

  5. If |(x^(n),x^(n+2),x^(n+3)),(y^(n),y^(n+2),y^(n+3)),(z^(n),z^(n+2),z^(...

    Text Solution

    |

  6. If D(r)=|(r,x,n(n+1)//2),(2r-1,y,n^(2)),(3r-1,z,n(3n+1)//2)| then sum(...

    Text Solution

    |

  7. If D(r)=|(2^(r-1),2(3^(r-1)),4(5^(4-1))),(x,y,z),(2^(n)-1,3^(n)-1,5^(n...

    Text Solution

    |

  8. Find the rank of the matrix A=[(1,3),(0,1)]

    Text Solution

    |

  9. |(.^(x)C(r),.^(x)C(r+1),.^(y)C(r+2)),(.^(y)C(r),.^(x)C(r+1),.^(y)C(r+2...

    Text Solution

    |

  10. If n is a positive integer, then |(n!,(n+1)!,(n+2)!)),((n+1)!,(n+2)!,(...

    Text Solution

    |

  11. If in is a positive inteter D=|(n!,(n+1)!,(n+2)!),((n+1)!,(n+2)!,(n+3...

    Text Solution

    |

  12. If Delta(1)=|(1,a,bc),(1,b,ca),(1,c,ab)|,Delta(2)=|(1,a,a^(2)),(1,b,b^...

    Text Solution

    |

  13. If |(a(1),b(1),c(1)),(a(2),b(2),c(2)),(a(3),b(3),c(3))|=Delta, then |(...

    Text Solution

    |

  14. If Delta(1)=|(x,b,b),(a,x,b),(a,a,x)|, Delta(2)=|(x,b),(a,x)| then

    Text Solution

    |

  15. If D(1)=|(a,b,c),(d,e,f),(g,h,k)|,D(2)=|(a,g,x),(b,h,y),(c,k,z)| and d...

    Text Solution

    |

  16. If |(x(1),y(1),1),(x(2),y(2),1),(x(3),y(3),1)|=|(a(1),b(1),1),(a(2),b(...

    Text Solution

    |

  17. A and B be 3xx3 martrices. Then AB=0 implies

    Text Solution

    |

  18. Which of the following statement is not true?

    Text Solution

    |

  19. P.T the determinant of skew symmetric matrix of order 3 is zero.

    Text Solution

    |

  20. Which of the following is not tre? A is a square matrix. Then

    Text Solution

    |