If the variable lines l_1 (x - a) + y = 0 and l_2 (x + a) = 0 are conjugate lines with respect to the ellipse \frac{x^2}{a^2} + y^2/b^2 = 1 , then the locus of their point of intersection is

Correct Answer is : x2a2 + 2y2b2 = 1

\frac{x^2}{a^2} + {2y^2}/b^2 = 1

JEE Mains Model Paper 22

Question : 72 of 90

Marks: +1, -0

If the variable lines l1 (x - a) + y = 0 and l2 (x + a) = 0 are conjugate lines with respect to the ellipse

= 1 , then the locus of their point of intersection is

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