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What is the value of | array cc 15^ & 15^ 45^ & 45^ array | | array cc 45^ & 15^ 45^ & 15^ array | ?

Options

  1. A1 4
  2. B3 2
  3. C- 1 4
  4. D- 3 4

Correct answer

C. - 1 4

Step-by-step solution

aligned & | array cc 15^ & 15^ 45^ & 45^ array | | array cc 45^ & 15^ 45^ & 15^ array | & = [ 15^ 45^ - 15^ 45^ ] & [ 45^ 15^ - 45^ 15^ ] & = 30^ - 30^ & =+ 1 2 - 1 2 =- 1 4 aligned

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