Solve the following: Show that line AB is perpendicular to line BC, whose `A(1,2),B(2,4)`and `C(0,5)`

Direction cosines of the line which is perpendicular to the lines with direction ratios (-1,2,2) and (0,2,1) are

Solve the following question:(1) If two lines are perpendicular to each other then product of its slopes is '-1'. Find the slope of a line which is perpendicular to line AB if A(3,0) and B(0,2).

Solve the following: A line is perpendicular to the line 3x+2y-1=0 and passes through the point A(1,1) .Find its equation

Find the equation of the line passing through A(-2,3) and perpendicular to the line through S(1,2) and T(2,5)

Direction rations of the line which is perpendicular to the lines with direction ratios -1,2,2 and 0,2,1 are

The equation of the line passing through (-3, 5) and perpendicular to the line through the points (1,0) and (-4, 1) is

Solve the following:Show that the line 3x-4y+15=0 is a tangent to the circle x^2+y^2=9 ,Find the point of contact.