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COMEDK2018MathematicsTrigonometric Ratios & Identities

² 12 + ² 4 + ² 5 12 =

Options

  1. A3 2
  2. B3- 3 2
  3. C2 3
  4. D2 3+ 3

Correct answer

A. 3 2

Step-by-step solution

aligned & ² 12 + ² 4 + ² 5 12 =& ² 12 + ² 4 + ² ( 2 - 12 ) =& ² 12 + ² 4 + ² 12 =& 1+ ² 4 =1+ ( 1 2 )²=1+ 1 2 = 3 2 aligned

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