A) \[{{x}^{2}}+{{y}^{2}}+{{z}^{2}}-ax-by-cz=0\]
B) \[{{x}^{2}}+{{y}^{2}}+{{z}^{2}}-2ax-2by-2cz=0\]
C) \[{{x}^{2}}+{{y}^{2}}+{{z}^{2}}-4ax-4by-4cz=0\]
D) None of these
Correct Answer: A
Solution :
[a] Let (a, b, c) be the fixed point on the variable planeYou need to login to perform this action.
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