Home
Class 12
MATHS
Let A be a n times n matrix such that ab...

Let `A` be a `n times n` matrix such that `abs(A)=2`.If the determinant of the matrix `Adj(2.Adj(2A^(-1)))` is `2^(84)`,then `n` is equal to

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • JEE MAINS 2022

    JEE MAINS PREVIOUS YEAR|Exercise MATHEMATICS (SECTION - B)|10 Videos
  • LIMITS AND DERIVATIVES

    JEE MAINS PREVIOUS YEAR|Exercise All Questions|14 Videos

Similar Questions

Explore conceptually related problems

Let P be an m xx m matrix such that P^(2)=P . Then (1+P)^(n) equals

If A is 3x3 matrix and det adj(A)=k then det(adj2A)=

If A is an invertible matrix of order n then determinant of adj(A) is equal to

Let A be a non singular matrix of order 5 and the det (A)=2 .If the value of det (adj (adjA)) is n,then the value of (n)/(1024) is

Let A be a matrix such that adj (adj A)= [(5,2,1),(3,1,0),(2,2,1)] then the value of

Let A be a non singular matrix of order 5 and the det (A)=2. If the value of det(adj(adjA)) is n, then the value of (n)/(1024) is

Let A be a non singular matrix of order 5 and the det (A)=2 .If the value of det (adj/adiA)) is n ,then the value of (n)/(1024) is

Let A be a square matrix of order 3 such that |Adj A | =100 then |A| equals

If A is a 3 xx 3 matrix such that |A| = 4, then what is A(adj A) equal to ?

JEE MAINS PREVIOUS YEAR-JEE MAINS 2023 JAN ACTUAL PAPER-Question
  1. If the constant term in the binomial expansion of ((x^(5/2))/(2)-(4)/(...

    Text Solution

    |

  2. Let the area of the region {(x,y):abs(2x-1)leyleabs(x^(2)-x),0lexle1} ...

    Text Solution

    |

  3. Let A be a n times n matrix such that abs(A)=2.If the determinant of t...

    Text Solution

    |

  4. The sum 1^(2)-2.3^(2)+3.5^(2)-4.7^(2)+5.9^(2)- . . . +15.29^(2) is

    Text Solution

    |

  5. If "^(2n+1)P(n-1):^(2n-1)P(n)=11:21,then n^(2)+n+15 is equal to :

    Text Solution

    |

  6. Let S be the set of all a in N such that the area of the triangle form...

    Text Solution

    |

  7. Let the tangents at the points A(4,-11) and B(8,-5) on the circle x^(2...

    Text Solution

    |

  8. Three rotten apples are mixed accidently with seven good apples and fo...

    Text Solution

    |

  9. Let A={(x,y)in R^(2):yge0,2xleylesqrt(4-(x-1)^(2)}) and B={(x,y)in R t...

    Text Solution

    |

  10. Let lambda != 0 be a real number.Let alpha,beta be the roots of the eq...

    Text Solution

    |

  11. Let y=f(x) be the solution of the differential equation y(x+1)dx-x^(2)...

    Text Solution

    |

  12. Let [x] denote the greatest integer lex.Consider the function f(x)=max...

    Text Solution

    |

  13. Let Delta be the area of the region {(x,y)in R^(2):x^(2)+y^(2)le21,y^(...

    Text Solution

    |

  14. Let x=2 be a root of the equation x^(2)+px+q=0 and f(x)={((1-cos(x^(2)...

    Text Solution

    |

  15. A light ray emits from the origin making an angle 30^(@) with the posi...

    Text Solution

    |

  16. Let B and C be the two points on the line y+x=0 such that B and C are ...

    Text Solution

    |

  17. .If p,q and r are three propositions,then which of the following combi...

    Text Solution

    |

  18. Consider the following system of equations alpha x+2y+z=1 2 alpha x+...

    Text Solution

    |

  19. Let f(theta)=3(sin^(4)((3 pi)/(2)-theta)+sin^(4)(3 pi+theta)-2(1-sin^(...

    Text Solution

    |

  20. For two non-zero complex numbers z(1) and z(2),if Re(z(1)z(2))=0 and R...

    Text Solution

    |