10-2. Parabola, Ellipse, Hyperbola
hard

ધારો કે $P \left(x_0, y_0\right)$ એ અતિવલય $3 x^2-4 y^2=36$ પર નું રેખા. $3 x+2 y=1$ થી સૌથી નજીકનું બિંદુ છે.$\sqrt{2}\left(y_0-x_0\right)=..............$

A

$-3$

B

$9$

C

$-9$

D

$3$

(JEE MAIN-2023)

Solution

$3 x^2-4 y^2=36 \quad 3 x+2 y=1$

$m =-\frac{3}{2}$

$m =+\frac{\sec \theta 3}{\sqrt{12} \cdot \tan \theta}$

$\Rightarrow \frac{3}{\sqrt{12}} \times \frac{1}{\sin \theta}=\frac{-3}{2}$

$\sin \theta=-\frac{1}{\sqrt{3}}$

$(\sqrt{12} \cdot \sec \theta, 3 \tan \theta)$

$\left(\sqrt{12} \cdot \frac{\sqrt{3}}{\sqrt{2}},-3 \times \frac{1}{\sqrt{2}}\right) \Rightarrow\left(\frac{6}{\sqrt{2}}, \frac{-3}{\sqrt{2}}\right)$

Standard 11
Mathematics

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