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

2018 · Shift 0 · Q31
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Mathematics
  4. /Matrices and Determinants
  5. /2018 · Shift 0 · Q31

Matrices and Determinants question

2018 · Shift 0 · Q31

JEE MainMathematicsMatrices and DeterminantsMCQ+4 / −1
If ∣x−42x2x2xx−42x2x2xx−4∣=(A+Bx)(x−A)2\left| {\begin{matrix} {x - 4} & {2x} & {2x} \\ {2x} & {x - 4} & {2x} \\ {2x} & {2x} & {x - 4} \\ \end{matrix} } \right| = \left( {A + Bx} \right){\left( {x - A} \right)^2}​x−42x2x​2xx−42x​2x2xx−4​​=(A+Bx)(x−A)2 then the ordered pair (A, B) is equal to :
  1. A
    (4, 5)
  2. B
    (-4, -5)
  3. C
    (-4, 3)
  4. D
    (-4, 5)
PreviousNext

More from Matrices and Determinants

  • The number of real values of λ for which the system of linear equations 2x + 4y −λ z = 0 4x + λ y + 2z = 0 λ x + 2y + 2z = 0 has infinitely many solutions, is :2017 · MCQ
  • Let A be any 3 × 3 invertible matrix. Then which one of the following is not always true ?2017 · MCQ
  • If S=⎩⎨⎧​x∈[0,2π]:​0sinxcosx​cosx0sinx​−sinxcosx0​​=0⎭⎬⎫​, then x∈S∑​tan(3π​+x)…2017 · MCQ
  • For two 3 × 3 matrices A and B, let A + B = 2BT and 3A + 2B = I3, where BT is the transpose of B and I3 is 3 × 3 identity matrix. Then :2017 · MCQ
  • If S is the set of distinct values of 'b' for which the following system of linear equations x + y + z = 1 x + ay + z = 1 ax + by + z = 0 has no solution, then S is :2017 · MCQ
  • If A=[2−4​−31​], then adj(3A2 + 12A) is equal to2017 · MCQ
  • The number of distinct real roots of the equation, ​cosxsinxsinx​sinxcosxsinx​sinxsinxcosx​​=0 in the…2016 · MCQ
  • If P = [23​​−21​​21​23​​​],A=[10​11​] Q =…2016 · MCQ