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Under what condition does the equation x2+y2+z2+2uc+2uy+2wz+d=0 represent a real sphere?
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[b] Equation x2+y2+z2+2ux+2vy+2wz+d=0 Represent a real sphere if u2+v2+w2>d
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Question Text | Under what condition does the equation x2+y2+z2+2uc+2uy+2wz+d=0 represent a real sphere? |
Answer Type | Text solution:1 |
Upvotes | 150 |