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NEST2013MathematicsMatrices

Let A, B, C, D, E be five real square matrices of the same order such that A B C D E=I , where I is the unit matrix. Then,

Options

  1. AB⁻¹ A⁻¹=E D C
  2. BB A is a nonsingular matrix
  3. CA B C commutes with D E
  4. DA B C D= 1 det E Adj E.

Correct answer

D. A B C D= 1 det E Adj E.

Step-by-step solution

No solution available.

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