The straight lines X axis and Y axis are perpendicular to each other . Is the condition `m_1m_2=-1` true ?

Three straight lines mutually perpendicular to each other meet in a point P and one of them intersects the x-axis and another intersects the y-axis, while the third line passes through a fixed point(0,0,c) on the z-axis. Then the locus of P is

Find the value of p if lines 3y - 2x = 4 and 4y - px = 2 are perpendicular to each other .

Show that the lines (x-5)/7=(y+2)/(-5)=z/1 and x/1=y/2=z/3 are perpendicular to each other.

Three mutually perpendicular lines are drawn from the point (1,2,-1) . If one of the lines is perpendicular to the x-axis and the direction ratios of the second line are (1,2,-1) then which are the possible equation(s) of the third line

Find the points on y -axis whose perpendicular distance from the line 4x-3y-12=0 is 3.

Prove that the straight lines joining the origin to the point of intersection of the straight line h x+k y=2h k and the curve (x-k)^2+(y-h)^2=c^2 are perpendicular to each other if h^2+k^2=c^2dot

Find the equation of the straight line through the intersection of 5x-6y=1 and 3x+2y+5=0 and perpendicular to the straight line 3x-5y+11=0

Two identical magnetic magnetic dipoles of magnetic moment 2Am^2 are placed at a separation of 2 m with their axis perpendicular to each other in air. The resultant magnetic field at a midpoint between the dipoles is

Given A-=(1,1) and A B is any line through it cutting the x-axis at Bdot If A C is perpendicular to A B and meets the y-axis in C , then the equation of the locus of midpoint P of B C is (a) x+y=1 (b) x+y=2 (c) x+y=2x y (d) 2x+2y=1

Equation of the straight line perpendicular to the line x-y+5=0, through the point of intersection the y-axis and the given line