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a, b and c are non-zero real numbers such that the numbers -2a^4b^3c^2 and 3a^3b^5c^(-4) have the same sign. Which of the following statements is definitely correct? (A) ab > 0 (B) b < 0 (C) c > 0 (D) bc > 0 (E) a < 0 
 

 Sep 17, 2022
 #1
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The correct statement is (D).

 Oct 30, 2022

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