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AP EAMCET202420 May 2024Evening ShiftMathematicsEllipseActual

If the chord of the ellipse x^2 4 + y^2 9 =1 having (1,1) as its middle point is x + y= , then

Options

  1. A+ =1
  2. B+1=
  3. C-1=
  4. D2 -1=3

Correct answer

B. +1=

Step-by-step solution

x^2 4 + y^2 9 =1 Equation of chord having (1,1) as its middle point is T = S ₁ aligned & x 4 + y 9 -1= 1 4 + 1 9 -1 & 9 x+4 y=13 x+ 4 9 y= 13 9 = 4 9 , = 13 9 & - =1 +1= aligned

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