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[" QUES "NO.-8" ,"],[" Minor of an eleme...

[" QUES "NO.-8" ,"],[" Minor of an element of a determinant of order "n(boldsymbol n>=2)" is a determinant of order "],[[" a."n," b."n-1," c."n-2," d."n+1],[" a "," b "]],[" c "," d "]

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Step by step text solution for [" QUES "NO.-8" ,"],[" Minor of an element of a determinant of order "n(boldsymbol n>=2)" is a determinant of order "],[[" a."n," b."n-1," c."n-2," d."n+1],[" a "," b "]],[" c "," d "] by MATHS experts to help you in doubts & scoring excellent marks in Class 12 exams.

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If d is the determinant of a square matrix A of order n , then the determinant of its adjoint is d^n (b) d^(n-1) (c) d^(n+1) (d) d

Determine n if ""^(2n)C_(3):""^(n)C_(3)=12:1 .

Knowledge Check

  • If D is the determinant of a square matrix A of order n, then the determinant of its adjoint is

    A
    `D`
    B
    `D^(n-1)`
    C
    `D^(n)`
    D
    `D^(n+1)`

  • If a,b,c and d are in GP, then a^n+b^n, b^n+c^n, c^n+d^n are in

    A
    AP
    B
    GP
    C
    HP
    D
    None of these

  • Determine n, if ""^(2n) C_(2): ""^(n) C_(2) = 12: 1 .

    A
    `n=7`
    B
    `n=3`
    C
    `n=5`
    D
    `n=2`

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