The point of injtersection of the line `x/p+y/q=1 and x/q+y/p=1` lies on the line

If the point P(a, b) lies on the line 3 x+2 y=13 and the point Q(b, a) lies on the line 4 x-y=5 , then the equation of the line P Q is

The point Q is the image of the P in line x+y+4=0 and R is the image of Q in line 2x-y+7=0. If P=(1,6), then the circumcentre of triangle PQR is

The straight line x-2y+1=0 intersects the circle x^(2)+y^(2)=25 in points P and Q the coordinates of the point of intersection of tangents drawn at P and Q to the circle is

The straight line x-2y+1=0 intersects the circle x^(2)+y^(2)=25 in points P and Q the coordinates of the point of intersection of tangents drawn at P and Q to the circle is

The point Q is the image of the P in line x + y+ 4= 0 and R is the image of Q in line 2x-y + 7=0. If P = (1,6), then the circumcentre of triangle PQR is

The point P(a,b) lies on the straight line 3x+2y=13 and the point Q(b,a) lies on the straight line 4x-y=5 , then the equation of the line PQ is

The point P(a,b) lies on the straight line 3x+2y=13 and the point Q(b,a) lies on the straight line 4x-y=-5 , then the equation of the line PQ is

The point P(a,b) lies on the straight line 3x+2y=13 and the point Q(b,a) lies on the straight line 4x-y=5 , then the equation of the line PQ is

The point P(a,b) lies on the straight line 3x+2y=13 and the point Q(b,a) lies on the straight line 4x-y=5 , then the equation of the line PQ is

The point Q is the image of the point P(1,5) about the line y=x and R is the image of the point Q about the line y= -x . The circumcentre of the DeltaPQR is