10 one question was x*y^2*z<0 then  Choose the correct choice from the following:
A) x<0
B) xyz<0
C) xz<0
D) xy<0
E) None of these
if we take y^2 then it will always greater than zero so only one option z left i.e. xz   ANSWER:xz&lt;0
<result>C</result>
10 one question was x*y^2*z<0 then