If x1 and x2 are intercepts on the x-axis and y1 and y2 are the intercepts on the y-axis then the sum (x1 + x2 + y1 + y2) is equal to

Question

Consider a line pair ax² + 3xy – 2y² – 5x + 5y + c = 0 representing perpendicular lines intersecting each other at C and forming a triangle ABC with the x-axis.

If x₁ and x₂ are intercepts on the x-axis and y₁ and y₂ are the intercepts on the y-axis then the sum (x₁ + x₂ + y₁ + y₂) is equal to 

(A) 6 

(B) 5 

(C) 4 

(D) 3

Answer 1

(B) 5 

As lines are perpendicular