Home
Class 12
MATHS
IF Ay is the cofactor of the element ay ...

IF `A_y` is the cofactor of the element `a_y` of the determinant `|{:(2,-3,5),(6,0,4),(1,5,-7):}|` then write the value of `a_32.A_32`

Promotional Banner

Topper's Solved these Questions

  • MODEL QUESTION PAPER 20

    SHARAM PUBLICATION|Exercise EXERCISE|46 Videos
  • MODEL QUESTION PAPER-2

    SHARAM PUBLICATION|Exercise EXERCISE|39 Videos

Similar Questions

Explore conceptually related problems

Find the value of determinant |{:(2,-3,5),(6,0,4),(1,5,-7):}|

If x[{:(2,),(3,):}]+y[{:(-1,),(1,):}]=[{:(10,),(5,):}] , then write the value of x and y.

State true or false. The minor and the co-factor of the element a_32 of a determinant of third order are equal.

If [[2x,1],[5,x+2y]]=[[4,1],[5,0]] then find the value of x+y.

The elements a_(ij) of a 3 xx 3 matrix are given by a_(ij)=1/2|-3i +j| . Write the value of element a_32 .

SHARAM PUBLICATION-MODEL QUESTION PAPER-18-EXERCISE
  1. Solve: tan^(-1)x+2cot^(-1)x=(2pi)/3

    Text Solution

    |

  2. Write the solution of the following L.P.P. Maximize z = 3x + 2y subj...

    Text Solution

    |

  3. IF Ay is the cofactor of the element ay of the determinant |{:(2,-3,5)...

    Text Solution

    |

  4. If A=[{:(2,0,1),(2,1,3),(1,-1,0):}] then find the value of A^(2)-3A+2I

    Text Solution

    |

  5. Prove that |[x+y, x, x],[5x+4y, 4x, 2x], [10x+8y, 8x, 3x]|=x^3

    Text Solution

    |

  6. Show that: abs((a,a^2,a^3),(b,b^2,b^3),(c,c^2,c^3))=abc(a-b)(b-c)(c-a)

    Text Solution

    |

  7. Find the inverse of [(1, 3),(2, 7)] by using elementary row operation.

    Text Solution

    |

  8. Find the vector vecp which is perpendicular to both vecalpha = 4hati +...

    Text Solution

    |

  9. Find a unit vector perpendicular to both of the vectors veca + vecb an...

    Text Solution

    |

  10. Show that the lines (x+3)/2=(y+5)/3=(z-7)/-3and (x+1)/4=(y+1)/5=(z+1)/...

    Text Solution

    |

  11. Prove that the measure of the angle between two main diagonals of a cu...

    Text Solution

    |

  12. Find the equation of the plane passing through the intersection of the...

    Text Solution

    |

  13. If f(x) = {((1-cos4x)/x^2, when x<0),(a, when x=0),((sqrtx)/(sqrt(16 +...

    Text Solution

    |

  14. If y=x^(sinx-cosx)+(x^(2)-1)/(x^(2)+1), then find (dy)/(dx)

    Text Solution

    |

  15. Show that the semi-vertical angle of the cone of the maximum volume an...

    Text Solution

    |

  16. Evaluate the following integrals : Evaluate int(0)^(pi//2)(xsinxcosx...

    Text Solution

    |

  17. Find the area of region in the first quadrant enclosed by the X-axis, ...

    Text Solution

    |

  18. Solve the following differential x(dy)/(dx) = y - x tan (y/x).

    Text Solution

    |

  19. Show that |{:((b+c)^2,a^2,a^2),(b^2,(c+a)^2,b^2),(c^2,c^2,(a+b)^2):}...

    Text Solution

    |

  20. Solve for x, cos^(-1)x +sin^(-1)((x)/(2)) =(pi)/(6).

    Text Solution

    |