WB Higher Secondary 12th Class Mathematics Question Paper 2011 Answer - Question C.3.(b)(ii)

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Higher Secondary Question Paper Solution of Year 2011 Question No: C.3.(b)(ii)

উপবৃত্ত \({x^2 \over a^2} + {y^2 \over b^2} = 1, (-3,2)\) বিন্দুগামী । যদি উপবৃত্তটির উৎকেন্দ্রতা \(\sqrt {3 \over 5}\) হয়, উপবৃত্তটির নাভিলম্বের দৈর্ঘ্য নির্ণয় কর ।