If `Q(5/3,7/3,17,3)` is foot of perpendicular drawn from `P(1, 0, 3)` on a line L and if line L is passing through `(alpha, 7, 1)`, then value of `alpha` is

The foot of the perpendicular from (1,2) on the line x-3y+7=0 is

If the root of perpendicular from A(3,1,0) on a line passing through B(1,alpha,7) is C(17//3,5//3,7//3) , then alpha = _________

If the foot of perpendicular drawn from the point (2, 5, 1) on a line passing through (alpha, 2alpha, 5)" is "((1)/(5),(2)/(5),(3)/(5)) , then alpha is equal to

The foot of the perpendicular from (0,0) to the line x cos alpha+y sin alpha=p is

The foot of the perpendicular drawn from the point (7, 8) to the line 2x + 3y – 4 = 0 is -

L is the foot of the perpendicular drawn from a point (3,4,5) on X-axis. The coordinates of L are.

If the foot of the perpendicular from (-4,5) to the straight line 3x-4y-18=0 is (alpha,beta) then value of (alpha+beta)=

The foot of the perpendicular from (1,2,3) to the line joining the points (6,7,7) and (9,9,5) is

Let P (x_1,y_1) be a point and let ax + by+ c = 0 be a line. If L (h, k) is the foot of perpendicular drawn from P on this line and Q (alpha, beta) is the image of P in the given line, then prove that

L is the foot of the perpendicular drawn from a point p ( 3,4,5) on the XY- plane. The coordinates of point L are