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

Options

  1. A-1
  2. B0
  3. C1
  4. D2

Correct answer

C. 1

Step-by-step solution

aligned & (120^ ) (150^ ) & (90^ +30^ ) (90^ +60^ ) & 30^ 60^ & 3 1 3 =1 aligned

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