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AP EAMCET201824 Apr 2018Evening ShiftMathematicsStraight LinesActual

If the origin is shifted to the point (1,1) and the axes are rotated through an angle 45^ about this point, then the transformed equation of the equation x^2+2 x y+y^2-1=0 is

Options

  1. A2 y^2-4 2 y-3=0
  2. B2 y^2+4 2 y-3=0
  3. C2 x^2+4 2 x+3=0
  4. D2 x^2-4 2 x+3=0

Correct answer

C. 2 x^2+4 2 x+3=0

Step-by-step solution

No solution. Refer to answer key.

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