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The value of the determinant | array cc ^2 2 & ^2 2 ^2 2 & ^2 2 array | for all values of , is

Options

  1. A1
  2. B2

Correct answer

B. 2

Step-by-step solution

| array cc ^2 2 & ^2 2 ^2 2 & ^2 2 array |= ( ^4 2 - ^4 2 )= ( ^2 2 + ^2 2 ) ( ^2 2 - ^2 2 )=(1) ( 2 ( 2 ) )=

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