[" The equation "2x^(2)-3xy-py^(2)+x+qy-1=0],[" represents two mutually perpendicular lines if "]

The equation 2x^(2)-3xy-py^(2)+x+qy-1=0 represent two mutually perpendicular lines if

The equation 2x^(2)-3xy-py^(2)+x+qy-1=0 represent two mutually perpendicular lines if

If 2x^(2)+4xy-py^(2)+4x+qy+1=0 represents a pair of mutually perpendicular lines then

If the equation 2x^(2)-3xy-py^(2)+x+qy-1=0backslash(p,q in I) represents two mutually perpendicular lines, then (A) p^(2)+q^(2)=13 (B) p-q=5(C)p^(2)-q^(2)=1(D)p+q=5

If equation 8x^(2)-3xy+lamday^(2)=0 represents two mutually perpendicular lines, then lamda=

The equation 2x^2+4xy-py^2+4x+qy+1=0 will represent two mutually perpendicular straight lines , if

The equation 2x^2+4xy-py^2+4x+qy+1=0 will represent two mutually perpendicular straight lines , if

If the equation 12x^(2)+7xy-py^(2)-18x+qy+6=0 represents a pair of perpendicular lines then

If the equation k^(2)x^(2)+10xy+3y^(2)-15x-21y+18=0 represents a pair of mutually perpendicular lines then