यदि दो दीर्घवृत्त \(\frac{{{x^2}}}{{169}} + \frac{{{y^2}}}{{25}} = 1\) और \(\frac{{{x^2}}}{{{a^2}}} + \frac{{{y^2}}}{{{b^2}}} = 1\) की उत्केन्द्रता बराबर हैं, तो a/b का मान है

1
5/13
2
6/13
3
13/5
4
13/6

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