The system $ax + by + c = 0,\; px + qy + r = 0$ is consistent and mutually independent when —

Question

Accepted Answer

$\dfrac{a}{p} 
e \dfrac{b}{q}$

Answer

$\dfrac{a}{p} = \dfrac{b}{q}$

Answer

$\dfrac{a}{p} = \dfrac{b}{q} = \dfrac{c}{r}$

Answer

$\dfrac{a}{p} = \dfrac{b}{q} 
e \dfrac{c}{r}$

The system ax+by+c=0, px+qy+r=0ax + by + c = 0,\; px + qy + r = 0ax+by+c=0,px+qy+r=0 is consistent and mutually independent when —