Fiitjee REE6 INTEGER ANS TYPE

From a variable point P on y=x-3 tangents PQ& PR are drawn to the circle x²+y² = 4 ,

Q' & R' r the corresponding points of Q & R on the ellipse x²/4+y²=1 in the same quadrants as Q & R

The locus of the midpoint of Q' R' is an ellipse with eccentricity e & latus rectum L

The value of 1/e²L² is ..............

1 Answers

2) The length of the focal chord of the rectangular hyperbola xy=8 , which touches the circle x²+y² = 8 is ........

ANS : 16

(I WANT SOLUTION)

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