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KCET2017MathematicsProbability

If ( | array ll 3 & x x & 1 array |= | array ll 3 & 2 4 & 1 array | ) then ( x ) is equal to

Options

  1. A( 2 )
  2. B( 04 )
  3. C( 08 )
  4. D( 2 2 )

Correct answer

D. ( 2 2 )

Step-by-step solution

Given that, ( | array cc 3 & x x & 1 array |= | array ll 3 & 2 4 & 1 array | ) ( 3-x²=3-8 ) ( x²=8 x= 2 2 )

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