समीकरण x^(2)/(1-r) - y^(2)/(1+r) = 1, |r...

समीकरण `x^(2)/(1-r) - y^(2)/(1+r) = 1, |r| lt 1` निरूपित करता है

A

एक दीर्घवृत्त

B

एक अतिपरवलय

C

एक वृत्त

D

इनमें से कोई नहीं

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समीकरण x^(2)/(1-r) - y^(2)/(1+r) = 1, |r| lt 1 निरूपित करता है
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समीकरण x^(2)/(1-r) - y^(2)/(1+r) = 1, |r| lt 1 निरूपित करता है
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