Question

One common solution of px + qy =r and Y axis is​

Answer 1

px−qy=r

⇒

(r/p)

x

−

(r/q)

y

=1

(Interept form)

a=

p

r

,b=−

q

−r

r(

p

1

−

q

1

)=a+b

⇒r

pq

(q−p)