Given a+b+c=0 , abc ≠ 0 , a, b,c, are not equal to each other, find the value of a(\dfrac{1}{b}+\dfrac{1}{c})+b(\dfrac{1}{c}+\dfrac{1}{a})+c(\dfrac{1}{a}+\dfrac{1}{b}) Steven Zheng posted 6 months ago 0 0 0