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If a matrix A is such that 3 A^3+2 A^2+5 A+ I =0 Then what is A⁻¹ equal to?

Options

  1. A- (3 A^2+2 A+5 )
  2. B3 A^2+2 A+5 I
  3. C3 A^2-2 A-5 I
  4. D- (3 A^2+2 A+5 I )

Correct answer

D. - (3 A^2+2 A+5 I )

Step-by-step solution

The correct answer is option (D).

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