(c) Given condition are $\frac{a}{b} > 1$ and $\frac{a}{c} < 0$ 1. $a > 0$ iff $c < 0$ and also $b > 0$ 2. $a < 0$ iff $c > 0$ and also $b < 0$
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.