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Test Mode Reading Mode Right = 0 Wrong = 0

ক ইউনিট (2008-2009) || ঢাকা বিশ্ববিদ্যালয় || 2008

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   x2+y2 -10x -6y +9=0   
   x2+y2  + 10x + 6y +25 =0
   x2+y2  + 6x + 10y + 25 =0
   x2+y2  + 6x +8y 25=0