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25 Cards in this Set
- Front
- Back
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Circle |
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Ellipse |
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Parabola |
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Hyperbola |
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Pair of Straight line |
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Ax+by+cz+d=0 |
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X square + y square =z square Z is less than minus r bit greater than r. Is the equation of this figure. |
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How to get general equation of second degree. |
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What is conic section. |
The locus of the point which moves in a plane such that the ratio of its perpendicular distance from fix point to its perpendicular distance from fix straight line is constant. |
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What is the fixed point is called. |
Locus of the conic. |
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Fixed straight line is known as |
Directrix |
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Constant ratio |
Eccentricity |
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Locus of conic section. |
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What are the 2 cases of focus to lie |
Focus can lie on directrix or On trajectory. |
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When focus lies on directrix then delta= abc+2fgh minus af square minus bg square minus ch square= |
0 |
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as in case 2 delta is not equal to 0, so what are the subcases |
Parabola e=1, h square=a b Ellipse e<1, h square<a b Hyperbola e>1, h square>a b Rectangular hyperbola h square> ab and a+b=0. |
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Parabola |
e=1, h square=a b |
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Ellipse |
e<1, h square<a b |
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Rectangular hyperbola |
h square> ab and a+b=0. |
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Parabola |
The focus of a point which moves in a plane such that its distance from fix point is perpendicular distance from directrix. |
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Standard equation of parabola |
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Rectangular hyperbola????? |
