Mathematics, 27.10.2020 20:50 wisal96

What is the sign of a\cdot\left(\dfrac {-b}{b}\right)a⋅( b
−b

)a, dot, left parenthesis, start fraction, minus, b, divided by, b, end fraction, right parenthesis when a=0a=0a, equals, 0 and b<0b<0b, is less than, 0?

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What is the sign of a\cdot\left(\dfrac {-b}{b}\right)a⋅( b
−b

)a, dot, left par...