Gujarati
10-2. Parabola, Ellipse, Hyperbola
easy

यदि अतिपरवलय की नाभियाँ $(5, 0)$ तथा $(-5, 0)$ और संयुग्मी अक्ष $8$ हो, तो अतिपरवलय का समीकरण होगा

A

$9{x^2} - 16{y^2} = 144$

B

$16{x^2} - 9{y^2} = 144$

C

$9{x^2} - 16{y^2} = 12$

D

$16{x^2} - 9{y^2} = 12$

Solution

(b) $b = 4$

$⇒$  $2ae = 10$

$⇒$  $16 = 25 – {a^2}$

$⇒$  $a = 3$

अत: अतिपरवलय $16{x^2} – 9{y^2} = 144$ है।

Standard 11
Mathematics

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