$\begin{aligned} \text { দৃশ্যকল্প-১: } f(x, y) & =x^{2}+y^{2}-10 x+6 y+25 \\ g(x, y) & =x^{2}+y^{2}+6 x-6 y-31\end{aligned}$

(i) $x^{2}+y^{2}-8 x-6 y+16=0$ এবং (ii) $x^{2}+y^{2}=4$

$A$ বৃত্ত: $x^{2}+y^{2}-2 x+4 y-31=0$

B বৃত্ত: $x^{2}+y^{2}+4 x-4 y+7=0$