Tangent to the ellipse {x^{2}}/{4}+y^{2}=1 at the point {P}(\\sqrt{2}, {1}/{\\sqrt{2}) touches a circle {x}^{2}+{y}^{2}={r}^{2} at the point {Q}. Then the length of {PQ} is

UPSEE 2019 Solved Paper

Question : 130 of 150

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Tangent to the ellipse

+y2=1 at the point P(√2,

√2

) touches a circle x2+y2=r2 at the point Q. Then the length of PQ is

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