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10-2. Parabola, Ellipse, Hyperbola
hard

ઉપવલય $\frac{{{x^2}}}{{16}}\,\, + \;\,\frac{{{y^2}}}{{{b^2}}}\,\, = \,\,1$ ની નાભિઓ અને  અતિવલય

$\frac{{{x^2}}}{{144}}\,\, - \,\,\frac{{{y^2}}}{{81}}\,\, = \,\,\frac{1}{{25}}$ ની નાભીઓ સમાન હોય  તો ${b^2}$ નું મૂલ્ય:

A

$9$

B

$1$

C

$5$

D

$7$

Solution

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Standard 11
Mathematics

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