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10-2. Parabola, Ellipse, Hyperbola
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અતિવલય ${\text{ - }}\frac{{{{\text{x}}^{\text{2}}}}}{{{a^2}}}\,\, + \;\,\frac{{{y^2}}}{{{b^2}}}\,\, = \,\,1$ ની ઉત્કેન્દ્રતાં :
A
$e\,\, = \,\, + \;\,\sqrt {\frac{{{a^2}\,\, + \;\,{b^2}}}{{{a^2}}}} $
B
$e\,\, = \,\, + \;\,\sqrt {\frac{{{b^2}\,\, - \;\,{a^2}}}{{{b^2}}}} $
C
$e\,\, = \,\, + \;\,\sqrt {\frac{{{b^2}\,\, - \;\,{a^2}}}{{{a^2}}}} $
D
$e\,\, = \,\, + \;\,\sqrt {\frac{{{a^2}\,\, + \,{b^2}}}{{{b^2}}}} $
Solution
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Standard 11
Mathematics