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Câu hỏi: Phương trình mặt cầu có tâm I(-1; 2; -3), bán kính $R=3$ là
A. ${{\left( x-1 \right)}^{2}}+{{\left( y-2 \right)}^{2}}+{{\left( z-3 \right)}^{2}}=9$
B. ${{\left( x+1 \right)}^{2}}+{{\left( y-2 \right)}^{2}}+{{\left( z+3 \right)}^{2}}=3$
C. ${{\left( x+1 \right)}^{2}}+{{\left( y-2 \right)}^{2}}+{{\left( z+3 \right)}^{2}}=9$
D. ${{\left( x+1 \right)}^{2}}+{{\left( y-2 \right)}^{2}}+{{\left( z-3 \right)}^{2}}=9$
A. ${{\left( x-1 \right)}^{2}}+{{\left( y-2 \right)}^{2}}+{{\left( z-3 \right)}^{2}}=9$
B. ${{\left( x+1 \right)}^{2}}+{{\left( y-2 \right)}^{2}}+{{\left( z+3 \right)}^{2}}=3$
C. ${{\left( x+1 \right)}^{2}}+{{\left( y-2 \right)}^{2}}+{{\left( z+3 \right)}^{2}}=9$
D. ${{\left( x+1 \right)}^{2}}+{{\left( y-2 \right)}^{2}}+{{\left( z-3 \right)}^{2}}=9$
Phương trình mặt cầu có tâm $I\left( -1;2;-3 \right)$, bán kính $R=3$ là
${{\left( x+1 \right)}^{2}}+{{\left( y-2 \right)}^{2}}+{{\left( z+3 \right)}^{2}}=9$
${{\left( x+1 \right)}^{2}}+{{\left( y-2 \right)}^{2}}+{{\left( z+3 \right)}^{2}}=9$
Đáp án C.