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Question

$4 x^{2} + 4 y^{2} - 8 x - 16 y + 19 = 0$ বৃত্তের কেন্দ্রের স্থানাঙ্ক কত?

(2, 1)

(2, 4)

(1, 2)

(4, 2)

ANS : 3

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