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Practice: Equation of a Sphere

Find the equation of the sphere concentric with 𝑥+𝑦+𝑧+𝑥5𝑦+4𝑧=3, but with twice the radius.

  • A𝑥+12𝑦52(𝑧+2)=54
  • B𝑥+12+𝑦52+(𝑧+2)=54
  • C𝑥+12𝑦52(𝑧+2)=27
  • D𝑥+12+𝑦52+(𝑧+2)=27

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