Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Matrices and Determinants question

2021 · 17 Mar · Shift 1 · Q32
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Mathematics
  4. /Matrices and Determinants
  5. /2021 · 17 Mar · Shift 1 · Q32

Matrices and Determinants question

2021 · 17 Mar · Shift 1 · Q32

JEE MainMathematicsMatrices and DeterminantsMCQ+4 / −1
The system of equations kx + y + z = 1, x + ky + z = k and x + y + zk = k2 has no solution if k is equal to :
  1. A
    0
  2. B
    −-− 1
  3. C
    −-− 2
  4. D
    1
PreviousNext

More from Matrices and Determinants

  • If x, y, z are in arithmetic progression with common difference d, x e 3d, and the determinant of the matrix ​345​42​52​k​xyz​​…2021 · MCQ
  • Let A=[ac​bd​] and B=[αβ​]e[00​] such that AB = B and…2021 · Numerical
  • If 1, log10(4x − 2) and log10 (4x+518​) are in arithmetic progression for a real number x, then the value of the determinant ​2(x−21​)1x​x−101​x2x0​​…2021 · Numerical
  • The solutions of the equation ​1+sin2xcos2x4sin2x​sin2x1+cos2x4sin2x​sin2xcos2x1+4sin2x​​=0,(0<x<π)…2021 · MCQ
  • Let α, β, γ be the real roots of the equation, x3 + ax2 + bx + c = 0, (a, b, c ∈ R and a, b e 0). If the system of equations (in u, v, w) given by α u + β v + γ w = 0, β u + γ v + α…2021 · MCQ
  • Let A+2B=​16−5​2−33​031​​ and 2A−B=​220​−1−11​562​​…2021 · MCQ
  • Let the system of linear equations 4x + λ y + 2z = 0 2x − y + z = 0 μ x + 2y + 3z = 0, λ, μ∈ R. has a non-trivial solution. Then which of the following is true?2021 · MCQ
  • Let I be an identity matrix of order 2 × 2 and P =[25​−1−3​]. Then the value of n ∈ N for which Pn = 5I − 8P is equal to ​.2021 · Numerical