AP EAPCET 17th May 2023 Shift 2 Solved Paper

Section: Mathematics

Question : 54 of 160

Marks: +1, -0

If S≡2x2+2y2−8x+8y−7=0 is the circle passing through the points of intersection of the circles x2+y2+kx−ky+1=0 and x2+y2−kx+ky−2=0, then the length of the tangent drawn from the point (k,k) to the circle S is

‌
3
√2
3
√‌
23
2
√23

Validate

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