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AP EAMCET202522 May 2025Morning ShiftMathematicsMatricesActual

Consider the matrices A= [ array ccc x & y & 0 -3 & 1 & 2 1 & -2 & z array ] and B= [ array ccc 1 & -2 & -2 2 & 0 & 1 2 & 1 & 0 array ] If the cofactors of the elements z, 1 in 3 ^ rd row and x of A are 9,4,3 respectively then A B=

Options

  1. A[ array ccc -7 & -4 & -8 -1 & 8 & 7 3 & -3 & -4 array ]
  2. B[ array ccc 7 & -6 & 8 -5 & 4 & -5 -5 & -3 & -4 array ]
  3. C[ array ccc 7 & -6 & -4 3 & 8 & 7 -5 & -3 & -4 array ]
  4. D[ array ccc 7 & -6 & 8 -1 & 8 & -5 3 & -3 & -4 array ]

Correct answer

C. [ array ccc 7 & -6 & -4 3 & 8 & 7 -5 & -3 & -4 array ]

Step-by-step solution

NO SOLUTION

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