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Black Book Advanced Problems in MathematicsMathematicsDeterminants

Sum of solutions of the equation vmatrix 1 & 2 & x 2 & 3 & x^2 3 & 5 & 2 vmatrix = 10 is:

Options

  1. A1
  2. B-1
  3. C2
  4. D4

Correct answer

B. -1

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