題目 Problem 甲、簡答題:共 8 題,每題 8 分,共 64 分。請在答案卷上列出題號依序作答。 Let CCC be the curve of intersection of the two surfaces x2+y2+z2=3x^2+y^2+z^2=3x2+y2+z2=3 and (x−2)2+(y−2)2+z2=3(x-2)^2+(y-2)^2+z^2=3(x−2)2+(y−2)2+z2=3. Find parametric equations of the tangent line to CCC at P=(1,1,1)P=(1,1,1)P=(1,1,1). 解答