Consider two points `A=(1,2)` and `B=(3,-1)`. Let M be a point on the straight line `L=x+y=0` If M be a point on the line `L=0` such that `|AM-BM|` is maximum, then the distance of M from N=(1,1) is

consider two points A=(1,2) and B=(3,-1). Let M be a point on the straight line L:x+y=0. If M be a point on the line L=0 such that AM+BM is minum, then the reflection of M in the line x=y is-

Consider two points A -= (1, 2) and B -= (3, –1). Let M be a point on the straight line L -= x + y = 0. If M be a point on the line L = 0 such that AM + BM is minimum, then the reflection of M in the line x = y is

Consider the points A=(1,2) and B=(3,-1) .Let M be a point on x+y=0 such that |AM-BM| is minimum.If S denotes area of triangle AMB then (8S)/(13) is.

Consider the line L : (x-1)/(2) = (y)/(1) = (z+1)/(-2) and a point A (1,1,1). Let P be the foot of the perpendicular from A on L and Q be the image of the point A in the line L, 'O' being the origin. The distance of the point A from the line L is

Consider the line L : (x-1)/(2) = (y)/(1) = (z+1)/(-2) and a point A (1,1,1). Let P be the foot of the perpendicular from A on L and Q be the image of the point A in the line L, 'O' being the origin. The distance of the origin from the point Q is

Let (2,-1) be the point P and x- y + 1 =0 be the straight line l. If Q is image of point P about line, that image of point Q about y-axis is

Let (2,-1) be the point P and x- y + 1 =0 be the straight line l. If Q is image of point P about line, that image of point Q about y-axis is

Consider the line L : (x-1)/(2) = (y)/(1) = (z+1)/(-2) and a point A (1,1,1). Let P be the foot of the perpendicular from A on L and Q be the image of the point A in the line L, 'O' being the origin. The distance of the origin from the plane passing through the point A and containing the line L is

Find the equation of the straight line through the point (alpha,beta) and perpendiculasr to the line l x+m y+n=0.