Gujarati
10-2. Parabola, Ellipse, Hyperbola
easy

अतिपरवलय $16{x^2} - 9{y^2} = 144$ पर कोई बिन्दु $P$  है। यदि ${S_1}$ तथा ${S_2}$ इसकी नाभियाँ हों, तो $P{S_1} - P{S_2} = $

A

$4$

B

$6$

C

$8$

D

$12$

Solution

(b) $\frac{{{x^2}}}{{{3^2}}} – \frac{{{y^2}}}{{{4^2}}} = 1$,

इसलिए $P{S_1} ≈ P{S_2} = 2(3) = 6$.

Standard 11
Mathematics

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