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What is ( 12 ) equal to?

Options

  1. A2- 3
  2. B2+ 3
  3. C2 - 3
  4. D3 - 2

Correct answer

A. 2- 3

Step-by-step solution

aligned & ( 3 - 4 ) & = 3 - 4 1+ 3 4 & = 3 -1 3 +1 3 -1 3 -1 & = ( 3 -1)^2 3-1 = 4-2 3 2 aligned = 2(2- 3 ) 2 =2- 3 .

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