Three Dimensional Geometry Question 25
Question: The locus of the equation $ x^{2}+y^{2}+z^{2}+1=0 $ is
Options:
A) An empty set
B) A sphere
C) A degenerate set
D) A pair of planes
Show Answer
Answer:
Correct Answer: A
Solution:
An empty set. $ (\because x^{2}+y^{2}+z^{2}+1=0 $ is not possible for any real value of x)