ISRO Computer Science (CSE) 2009 - Question 61

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If determinant of [[3, 3], [x, 5]] = 3, the value of x is

  • A. 2
  • B. 3
  • C. 4
  • D. 5

Answer: C. 4

Explanation: 15 - 3x = 3 => 3x = 12 => x = 4.

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