Q. The equation 2x2 +4xy -py2+4x+qy+10= 0 will represent two mutually perpendicular straight lines, if (A) p= 1 and q = 2 or 6 (B) p= 2 and q = -2 or 8 (C) p= 2 and q = 0 or 8 (D) p= 2 and q = 0 or 6 Share with your friends Share 1 Aditya answered this C option is correct -13 View Full Answer
