Question

Examine which of the following conicoids are central and which are non-central.

Also determine which of the central conicoids have centre at the origin.

i) x
²+y²+z
²+x+y+z = 1

ii) 2x²+4xy+xz−x−3y+5z+3 = 0

iii) x
²–y
²−z
²+xy+4yz+x = 0​

Answer 1

Answer:

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