Question

Write the condition for pair of linear Equation having Infinite number or solutions
$a_{1}x+b_{1}y+c_1=0$ and $a_{2}x+b_{2}y+c_2=0$.

Answer 1

$a_{1}x+b_{1}y+c_1=0$ and $a_{2}x+b_{2}y+c_2=0$

will have infinite Number of Solutions when

$\frac{a_1}{a_2}=\frac{b_1}{b_2}=\frac{c_1}{c_2}$