Find the value of 'a' , if the line through (-2,3) and (8,5) is perpendicular to y=ax+2 .

Find the value of 'a' if the line through (-2,5)(2,-3) is perpendicular to y=ax+3

Find the value of k , if the slope of the line passing through (2,5) and (k,3) is 2.

Find the vector equation of the line passing through (1,2,3) and perpendicular to the plane vecr.(hati+2hatj-5hatk)+9=0

Find the equation of the line through (1,2)and which is perpendicular to the line joining (2,-3)(-1,5)

Find whether the line through (-3, 2) and (3, 3) is perpendicular or parallel or neither perpendicular nor parallel to the line through (-2, -1) and (4, 0).

Find the equation of the line passing through (-3, 5) and perpendicular to the line through the points (2,5) and (-3, 6).

Find the equation of the line passing through (-3, 5) and perpendicular to the line through the points (2, 5) " and " (-3, 6) .

Find the equation of the line passing through the intersection (-1,2,3) and perpendicular to the lines (x-1)/2=(y-2)/(-3)=(z-3)/4a n d(x-4)/5=(y-1)/2=zdot and also through the point (2,1,-2)dot

Find the equation of the line through (3,2) and perpendicular to the line joining (4,5) and (1,2)