Home
Class 12
MATHS
If A = [{:(2,4,5),(4,8,10),(-6,-12,-15):...

If A = `[{:(2,4,5),(4,8,10),(-6,-12,-15):}]`. Then rank of A is equal to :

A

0

B

1

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • DETERMINANTS

    DISHA PUBLICATION|Exercise EXERCISE -2 CONCEPT APPLICATOR|30 Videos

  • DETERMINANTS

    DISHA PUBLICATION|Exercise EXERCISE -2 CONCEPT APPLICATOR|30 Videos

  • CONTINUITY AND DIFFERENTIABILITY

    DISHA PUBLICATION|Exercise Exercise-2 : Concept Applicator|30 Videos

  • DIFFERENTIAL EQUATIONS

    DISHA PUBLICATION|Exercise Exercise-2 : Concept Applicator|30 Videos

Similar Questions

Explore conceptually related problems

Evalute |{:(3,6,9),(4,8,12),(5,10,5):}|

Let, A-{:[(2,4),(4,8)]:},B-{:[(8,-12),(-4,6)]:} , then

{:(5,7,8),(4,6,6),(2,3,?),(10,14,12):}

If A={2,3,4,8,10}.B={3,4,5,10,12},C={4,56,12,14}then(AnnB)uu(AnnC) is equal to

{:(4,12,11,5),(6,7,10,3),(8,9,10,7),(7,5,?,4):}

If A= [{:(,1,2),(,3,-4),(,5,6):}]and B=[{:(,4,5,6),(,7,-8,2):}] will AB be equal to BA. Also find AB & BA.

DISHA PUBLICATION-DETERMINANTS-EXERCISE -1 CONCEPT BUILDER
  1. If A = [{:(1,0),(1,1):}] , then value of A^(-a) is

    Text Solution

    |

  2. If A is a non-singular matrix of order 3, then |adj A| = |A|^(n) here ...

    Text Solution

    |

  3. If A = [{:(2,4,5),(4,8,10),(-6,-12,-15):}]. Then rank of A is equal to...

    Text Solution

    |

  4. If the area of triangle with vertices (2,-6), (5,4) and (k,4) is 35. T...

    Text Solution

    |

  5. Delta =|(1+a^2+a^4,1+ab+a^2b^2, 1+ac+a^2c^2), (1+ab+a^2b^2, 1+b^2+b^4,...

    Text Solution

    |

  6. The rank of the matrix [{:(-1,2,5),(2,-4,a-4),(1,-2,a+1):}] is

    Text Solution

    |

  7. If y = |{:(sin x , cos x , sin x),(cos x,-sin x, cos x),(x, 1, 1):}|, ...

    Text Solution

    |

  8. Consider the system of linear equations a(1)x+b(1)y+ c(1)z+d(1)=0, ...

    Text Solution

    |

  9. " If " Delta(1) =|{:(x,,b,,b),(a,,x,,b),(a,,a,,x):}|" and " Delta(2)...

    Text Solution

    |

  10. Let alpha be a repeated root of a quadratic equation f(x)=0a n dA(x...

    Text Solution

    |

  11. If the system of equations x – ky – z = 0, kx – y – z=0, x + y – z = 0...

    Text Solution

    |

  12. If the system of linear equations x + 2ay + az = 0 x + 3by + bz = ...

    Text Solution

    |

  13. If the system of equations, a^(2) x - ay = 1 - a and bx + (3-2b) y = 3...

    Text Solution

    |

  14. Consider the system of equations : x + ay = 0, y + az = 0 and z + ax=0...

    Text Solution

    |

  15. The system of linear equations x + y + z = 2 2x + y -z = 3 3x + ...

    Text Solution

    |

  16. if the system of equation ax+y+z=0, x+by=z=0,and x+y+cz=0 (a,b,c!=1) h...

    Text Solution

    |

  17. If the system of linear equations x + 2ay + az = 0 x + 3by + bz = ...

    Text Solution

    |

  18. The system of equations alpha x + y + z = alpha - 1 x + alpha y + =...

    Text Solution

    |

  19. If lt 1 and the system of equations x+y-1=0 2x-y-c=0 and -bx+3by-c =0 ...

    Text Solution

    |

  20. For what value of m does the system of equations 3x+m y=m ,2x-5y=20 ha...

    Text Solution

    |