The line joining the points `A(2,1),a n dB(3,2)` is perpendicular to the line `(a^2)x+(a+2)y+2=0.` Find the values of `adot`

A line passing through the points (a,2a) and (-2,3) is perpendicular to the line 4x+3y+5=0 find the value of a.

The line joining the points (-2,1,-8)a n d(a ,b ,c) is parallel to the line whose direction ratios are 6,2,a n d3. Find the values of a ,b and c

Show that the line joining the points A(2, 3, 1) and B(4, 6, 2) is perpendicular to the line joining the points C(6, -2, -9) and D(4, -1, -8).

If the straight line joining the points (2,1,4)and(a-1,4,-1) is parallel to the line joining the points (0,2,b-1)and(5,3,-2), find the values of a and b.

The angle between the line joining the points (1,-2) , (3,2) and the line x+2y -7 =0 is

Find the equation of a line through (-1,3) perpendicular to the line 2x + 3y + 1 = 0.

If line 3x-a y-1=0 is parallel to the line (a+2)x-y+3=0 then find the value of adot

A line passes through the point (2,2) and is perpendicular to the line 3x+y=5 then its y- intercept is ………………. .