Question

If x,y,z are non-zero real numbers and x^2yz >0 and xy^2z <0 then which of the
following must be true?
(a) xy > 0
(b) xy^2>0
(c) xy<0
(d) x^2y<0




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Answer 1

Answer:

option (a) .................

Answer 2

Answer:

the answer is a) option