Suppose a, b, and c are nonzero real numbers, and a+b+c=0. What are the possible value(s) for \dfrac{a}{|a|}+\dfrac{b}{|b|}+\dfrac{c}{|c|}+\dfrac{a b c}{|a b c|} ?
Answer Choices
A. 0
B. 1 and -1
C. 2 and -2
D. 0,2 , and -2
E. 0,1 , and -1
Suppose a, b, and c are nonzero real numbers, and a+b+c=0. What are the possible value(s) for \dfrac{a}{|a|}+\dfrac{b}{|b|}+\dfrac{c}{|c|}+\dfrac{a b c}{|a b c|} ?
Answer Choices
A. 0
B. 1 and -1
C. 2 and -2
D. 0,2 , and -2
E. 0,1 , and -1