JEE Mains 11-Apr-2023 Shift 1 Solved Paper

Section: Mathematics

Question : 15 of 90

Marks: +1, -0

Consider ellipse Ek:kx2+k2y2=1,k=1,2,...,20. Let Ck be the circle which touches the four chords joining the end points (one on minor axis and another on major axis) of the ellipse Ek. If rk is the radius of the circle Ck then the value of

∑

k=1

‌

rk2

[11-Apr-2023 shift 1]

3320
3210
3080
2870

Validate

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