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From a point R(5,8) , two tangents R Pa ...

From a point `R(5,8)` , two tangents `R Pa n dR Q` are drawn to a given circle `S=0` whose radius is 5. If the circumcenter of triangle `P Q R` is (2, 3), then the equation of the circle `S=0` is a `x^2+y^2+2x+4y-20=0` b `x^2+y^2+x+2y-10=0` c `x^2+y^2-x+2y-20=0` d `x^2+y^2+4x-6y-12=0`

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CENGAGE ENGLISH-CONIC SECTIONS-All Questions
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  2. On the line segment joining (1, 0) and (3, 0) , an equilateral triangl...

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