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MHT CET20243 May 2024Morning ShiftMathematicsMatricesActual

If A = [ array cc 2 & -2 4 & 3 array ] , then A ⁻¹=

Options

  1. A- 1 2 [ array cc 3 & 2 -4 & 2 array ]
  2. B1 14 [ array cc 3 & 2 -4 & 2 array ]
  3. C1 14 [ array cc -3 & -2 4 & -2 array ]
  4. D- 1 14 [ array ll 3 & -2 4 & -2 array ]

Correct answer

B. 1 14 [ array cc 3 & 2 -4 & 2 array ]

Step-by-step solution

aligned A & = [ array cc 2 & -2 4 & 3 array ] & A⁻¹= 1 |A| Adj A A⁻¹ & = 1 14 [ array cc 3 & 2 -4 & 2 array ] aligned

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