Home
Class 12
MATHS
[(7,1,2),(9,2,1)]xx[(3),(4),(5)]+2[(4),(...

`[(7,1,2),(9,2,1)]xx[(3),(4),(5)]+2[(4),(2)]` is equal to the matrix-

A

`[(43),(44)]`

B

`[(43),(45)]`

C

`[(45),(44)]`

D

`[(44),(45)]`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MCQ ZONE

    CHHAYA PUBLICATION|Exercise Question Paper 5|80 Videos

  • MCQ ZONE

    CHHAYA PUBLICATION|Exercise Question Paper 7|80 Videos

  • MCQ ZONE

    CHHAYA PUBLICATION|Exercise Question Paper 6|80 Videos

  • MAXIMA AND MINIMA

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Examination E|2 Videos

  • MCQ ZONE 3

    CHHAYA PUBLICATION|Exercise Question Paper 8|30 Videos

Similar Questions

Explore conceptually related problems

If 2X+[(1,2),(3,4)]=[(3,8),(7,2)] , then the matrix X is equal to -

Let A=[(2,-1),(3,4)], B=[(5,2),(7,4)], C=[(2,5),(3,8)] . Find a matrix D such that CD-AB=O .

If [(2,-1),(1,0),(-3,4):}]xxP= [(-1,-8,-10),(1,-2,-5),(9,22,15):}] , find the matrix P.

The value of 1000[(1)/(1xx2)+(1)/(2xx3)+(1)/(3xx4)+.....+(1)/(999xx1000)] is equal to -

If A=[{:(2,3,-1),(1,4,2):}] and B=[{:(2,3),(4,5),(2,1):}] then prove that AB and BA are not equal.

Express the matrix A=[{:(-3,4,1),(2,3,0),(1,4,5):}] as the sum of symmetric matrix and a skew-symmetric matrix.

If P=[(1,alpha,3),(1,3,3),(2,4,4)] is the adjoint of a 3xx3 matrix A and det. (A)=4 , then the value of alpha is ______ .

If A = {:[( 1,1,-2),(2,1,-3),(5,4,-9)]:}, Find |A|

|{:(1,3,5),(2,4,3),(4,6,7):}|

Express the matrix A={:[(4,2,-1),(3,5,7),(1,-2,1)]:} as the sum of a symmetric matrix and a skew-symmetric matrix.

CHHAYA PUBLICATION-MCQ ZONE -Question Paper 8
  1. If A=|(-1,2,4),(3,1,0),(-2,4,2)|and B=|(-2,4,2),(6,2,0),(-2,4,8)|, the...

    Text Solution

    |

  2. For how many values of x in the closed interval [-4, -1], the matrix [...

    Text Solution

    |

  3. [(7,1,2),(9,2,1)]xx[(3),(4),(5)]+2[(4),(2)] is equal to the matrix-

    Text Solution

    |

  4. If C=2cos theta, then the value of the determinant D=|(C,1,0),(1,C,1)...

    Text Solution

    |

  5. If A=[(3,4),(5,7)], then the value of A(adjA) is equal to -

    Text Solution

    |

  6. The value of the determinant |((1)/(a),1,bc),((1)/(b),1,ca),((1)/(c),...

    Text Solution

    |

  7. If [(x+y,2x+z),(x-y,2z+w)]=[(4,7),(0,10)] then the values of x, y, z a...

    Text Solution

    |

  8. The matrix [(2,lambda,-4),(-1,3,4),(1,-2,-3)] is non-singular if -

    Text Solution

    |

  9. The domain of defination of the function f(x) =sqrt((sqrt(x+1))/(sqrtx...

    Text Solution

    |

  10. The period of the function sin^(4)x+cos^(4)x is -

    Text Solution

    |

  11. The range of the function f(x)=""^(9-x)P(x-1) is -

    Text Solution

    |

  12. Roots of the equation 3x^2 -6x+4=0 are alpha and beta then find the ...

    Text Solution

    |

  13. On a multiple choice examination with 4 possible answers for each of 6...

    Text Solution

    |

  14. The distance of the point (3, -4, 2) from the plane vecr*(3hati-6hatj+...

    Text Solution

    |

  15. The coordinates of the point where the line through the points (2, -3,...

    Text Solution

    |

  16. The equation of the plane passing through the point (1, -2, 3) and per...

    Text Solution

    |

  17. The acute angle between the straight lines whose direction numbers ar...

    Text Solution

    |

  18. The vector equation of the plane passing through the point (1, -1, 2) ...

    Text Solution

    |

  19. If the vectors veca= 3x hati+4y hatj-12hatk and vecb=3x hati-4y hatj+1...

    Text Solution

    |

  20. If veca, vecb, vec c are three mutually perpendicular vectors and |vec...

    Text Solution

    |