or
or
x<0 so here x is negative.
xz>0 so here x & z both are negative, and their multiplication is positive.
xy<0 means if x is negative, so y must be positive.
So, y>0 is the wright option
আপনি আমাকে যেকোনো প্রশ্ন করতে পারেন, যেমনঃ
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