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Recent questions tagged coordinate-geometry

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ISI-2014-1
The four distinct points $(-a,-b),(0,0),(a,b),(a^2,ab)$ are vertices of parallelogram vertices of rectangle collinear lying on a circle
The four distinct points $(-a,-b),(0,0),(a,b),(a^2,ab)$ arevertices of parallelogramvertices of rectanglecollinearlying on a circle
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ISI-2014-14
The locus of the center of a circle that passes through origin and cuts off a length $2a$ from the line $y=c$ is $x^2+2cx=a^2+c^2$ $x^2+2cy=a^2+c^2$ $y^2+cx=a^2+c^2$ $y^2+2cy=a^2+c^2$
The locus of the center of a circle that passes through origin and cuts off a length $2a$ from the line $y=c$ is$x^2+2cx=a^2+c^2$$x^2+2cy=a^2+c^2$$y^2+cx=a^2+c^2$$y^2+2cy...
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