10th Class
Mathematics
Coordinate Geometry
Question Bank
Co-ordinatate Geometry
question_answer
If the equations of three concurrent lines are \[\mathbf{px}+\mathbf{6y}-\mathbf{8}=\mathbf{0},\] \[\mathbf{qx}+\mathbf{5y}-\mathbf{8}=\mathbf{0}\] and \[\mathbf{rx}+\mathbf{4y}-\mathbf{8}=\mathbf{0},\] then the value of p + r is __________