Lines (p+q) x + (q + r) y = p +r and (p + r) x + (p+q) y = q + r inter

1.	Lines (p+q) x + (q + r) y = p +r and (p + r) x + (p+q) y = q + r intersect at origin, then which ofthe following is true ?(A) lines are perpendicular(B)p:q:r=1:1:-1(C) lines represents coordinate axes (D) all of these
Answer» Answer: 1:1 Step-by-step EXPLANATION: BLD jsjbyqbusbwbabjana a jsbsbjxjcjjfjfnfj

Lines (p+q) x + (q + r) y = p +r and (p + r) x + (p+q) y = q + r intersect at origin, then which ofthe following is true ?(A) lines are perpendicular(B)p:q:r=1:1:-1(C) lines represents coordinate axes (D) all of these

Answer»

Answer:

1:1

Step-by-step EXPLANATION:

BLD jsjbyqbusbwbabjana a

jsbsbjxjcjjfjfnfj