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If the equation x^2+y^2+2h x y+2gx+2fy+c...

If the equation `x^2+y^2+2h x y+2gx+2fy+c=0` represents a circle, then the condition for that circle to pass through three quadrants only but not passing through the origin is `f^2> c` (b) `g^2>2` `c >0` (d) `h=0`

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CENGAGE PUBLICATION-CONIC SECTIONS-All Questions
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  2. Three sides of a triangle have the equation Li = y - mi x = 0 , I = 1,...

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  3. If the equation x^2+y^2+2h x y+2gx+2fy+c=0 represents a circle, then t...

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  4. Consider two circles x^2+y^2-4x-6y-8=0 and x^2+y^2-2x-3=0 Statement 1...

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  5. Statement-1: The point (sin alpha, cos alpha) does not lie outside the...

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  9. Two circles C1a n dC2 both pass through the points A(1,2)a n dE(2,1) a...

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  10. A circle C1 of radius b touches the circle x^2 + y^2 =a^2 externally a...

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  15. Let 2 x^2 + y^2 - 3xy = 0 be the equation of pair of tangents drawn fr...

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  16. Find the equation of a circle which passes through the point (2,0) a...

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  17. Let C1 be the circle with center O1(0,0) and radius 1 and C2 be the ci...

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  18. C1 is a circle of radius 1 touching the x- and the y-axis. C2 is anoth...

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