Home
Class 14
MATHS
A=[{:(x+y, y),(x, x-y):}](2) B=[{:(3),(-...

`A=[{:(x+y, y),(x, x-y):}]_(2) B=[{:(3),(-2):}] and C=[{:(4),(-2):}]`, If AB =C. then what is `A^(2)` equal to ?

A

A. `[{:(4,8),(-4,-16):}]`

B

B. `[{:(4,-4),(8,-16):}]`

C

C. `[{:(-4,-8),(4,12):}]`

D

D. `[{:(-4,-8),(8,12):}]`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • MATRIX

    PUNEET DOGRA|Exercise PREV YEAR QUESTIONS|91 Videos
  • LOGARITHM

    PUNEET DOGRA|Exercise PREVIOUS YEAR QUESTIONS|24 Videos
  • PERMUTATION AND COMBINATION

    PUNEET DOGRA|Exercise PREV YEAR QUESTIONS|50 Videos

Similar Questions

Explore conceptually related problems

A=[{:(x+y," "y),(" "x,x-y):}],B=[{:(3),(-2):}]and C=[{:(4),(-2):}] . If AB = C, then what is A^(2) equal to ?

A[{:(x+y,y),(2x,x-y):}],B =[{:(2),(-1):}] and C [{:(3),(2):}] . If AB =C then what is A^(2) equal to ?

A=[(x+y,y),(2x,x-y)] B=[(2),(-1)]and C = [(3),(2)] If AB = C, then what is A^(2) equal to ?

If (3)/(x+y)+(2)/(x-y)=2 and (9)/(x+y)-(4)/(x-y)=1 then what is (x)/(y) equal to ?

If x/2 + y/3 = 4 and 2/x + 3/y = 1, then what is x + y equal to ?

If (x)/(2)+(y)/(3)=4 "and" (2)/(x)+(3)/(y)=1 then what is x+y equal to ?

If 2b = a + c and y^(2) = xz , then what is x^(b-c) y^(c-a)z^(a-b) equal to ?

If A(x_1, y_1),B(x_2, y_2) and C(x_3,y_3) are vertices of an equilateral triangle whose each side is equal to a , then prove that |[x_1,y_1, 2],[x_2,y_2, 2],[x_3,y_3, 2]|^2=3a^4

If A (x_(1), y_(1)), B (x_(2), y_(2)) and C (x_(3), y_(3)) are vertices of an equilateral triangle whose each side is equal to a, then prove that |(x_(1),y_(1),2),(x_(2),y_(2),2),(x_(3),y_(3),2)| is equal to

PUNEET DOGRA-MATRIX-PREV YEAR QUESTIONS
  1. If A=[{:(cos alpha, sin alpha),(-sin alpha, cos alpha):}], then what i...

    Text Solution

    |

  2. The equations x+2y+3z=1 2x+y+3z=1 5x+5y+9z=4

    Text Solution

    |

  3. A=[{:(x+y, y),(x, x-y):}](2) B=[{:(3),(-2):}] and C=[{:(4),(-2):}], If...

    Text Solution

    |

  4. If A=[{:(cos theta,sin theta),(-sin theta,cos theta):}], then what is ...

    Text Solution

    |

  5. What is the order of : [xyz] [{:(a,h,g),(h,b,f),(g,f,c):}][{:(x),(y),(...

    Text Solution

    |

  6. If A=[{:(1,0),(0,1):}]. Then the value of A^(4) is :

    Text Solution

    |

  7. What is [x y z ] [{:(a,h,g),(h,b,f),(g,f,c):}] equal to ?

    Text Solution

    |

  8. If m=[{:(1,0),(0,1):}] and n=[{:(0,1),(-1,0):}], then what is the valu...

    Text Solution

    |

  9. If f(x)=[{:(cos x, -sin x, 0),(sin x, cos x, 0),(0,0,1):}], then which...

    Text Solution

    |

  10. The values of k for which the system of equations kx+y+z=0,x-ky+z=0 an...

    Text Solution

    |

  11. If A=[{:(1,-1),(2,3):}] and B=[{:(2,3),(-1,-2):}] then which of the fo...

    Text Solution

    |

  12. Consider the following for the next two itmes that follow : For the ...

    Text Solution

    |

  13. Under what condition does the above system of equation have unique sol...

    Text Solution

    |

  14. Consider the following in respect of the matrix A= [{:(-1,1),(1,-1):}]...

    Text Solution

    |

  15. If A is a square matrix, then the value of adj A^(T)-(adj A)^(T) is eq...

    Text Solution

    |

  16. If A=[{:(1,0,-2),(2,-3,4):}], then the matrix X for which 2x+3A=0 hold...

    Text Solution

    |

  17. If A is an invertible matrix of order n and k is any positive real num...

    Text Solution

    |

  18. The matrix A=[{:(1,3,2),(1,x-1,1),(2,7,x-3):}] will have inverse for e...

    Text Solution

    |

  19. Match List 1 with List 2. Select the correct answer using the codes gi...

    Text Solution

    |

  20. The matrix [{:(0,-4+i),(4+I,0):}] is

    Text Solution

    |