If a, b are integers and |a-b|=6, which of the following is the smallest possible value of ab? Select the correct option.
A) -16 B) 0 C) 16 D) -9 E) 40
a=3, b=-3. Hence, the answer is -9.
<result>D</result>
If a, b are integers and |a-b|=6, which of the following is the smallest possible value of ab?