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दीर्घवृत्त `(x^(2))/(25) + (y^(2))/(9) = 1` के नाभियो और शीर्षो के निर्देशांक, दीर्घ एवं लघु अक्ष की लम्बाईयाँ, उत्केन्द्रता और नाभिलम्ब जीवा की लम्बाई ज्ञात कीजिए |

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नाभि `(pm4, 0)` शीर्ष `(pm5, 0)` दीर्घअक्ष = 10, लघुअक्ष `= 6,e = 4//5`, नाभिलम्ब ` = (18)/(5)`

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