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NDA2011MathematicsTrigonometric Ratios & IdentitiesActual

If x= + and y= , then what is the value of x^4-4 x^2 y-2 x^2+4 y^2+4 y+1 ?

Options

  1. A0
  2. B1
  3. C2
  4. DNone of the above

Correct answer

A. 0

Step-by-step solution

The correct answer is option (A).

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