English
Hindi
10-2. Parabola, Ellipse, Hyperbola
hard

બિંદુ $\left( {\lambda ,\,\,3} \right)$ માંથી ઉપવલય $\frac{{{x^2}}}{9}\, + \;\,\frac{{{y^2}}}{4}\,\, = \,\,1\,\,$ પર દોરેલા સ્પર્શકો એકબીજાને લંબ હોય,તો $\lambda \,\, = \,\,......$

A

$\pm 1$

B

$\pm 2$

C

$\pm 3$

D

$\pm 4$

Solution

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Standard 11
Mathematics

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