If x, y and z are all negative numbers, then x3y2z is
Type 1 for Positive Type 2 for Negative Type 3 for Cannot be determined
Explanation:
Since x is negative, x3 will also be negative
y2 is always positive
z is negative
∴ x3y2z = (negative no.) × (positive no.) × (negative no.) = positive no.
Hence, 1.
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