vainilla12 vainilla12

09-09-2022
Mathematics

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Let a, b, and c be real numbers such that a 0, b 0, and c 0. Find the sign of each expression.
(a) -a
(b) -b
(c) bc
(d) a-b
(e) c-a
(f) a+bc
(g) ab+ac
(h) -abc
(i) ab^(2)

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