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Let (A+B)=1 and (A-B)=1 / 2 , where A, B [0, 2 ] . What is ^2 ~A - ^2 ~B equal to?

Options

  1. A0
  2. B1/2
  3. C1
  4. D2

Correct answer

B. 1/2

Step-by-step solution

aligned & ^2 60^ - ^2 30^ & 3 4 - 1 4 = 1 2 . aligned

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