If the line with direction ratios 5, 3k, 7 is perpendicular to the line with direction ratios k, 1, -8, then k =

If the line with direction ratios k, -4, -1 is perpendicular to the line with direction ratios k, 5, -4 then k =

If the line with direction ratios 2, -1, 2 is perpendicular to the line with direction ratios 1, k, -3, then k =

Find k if the plane 2x+3y+kz=7 is perpendicular to the line with direction ratios (4, 6, -1) .

Find the direction cosines of the line which is perpendicular to the lines with direction ratios 4, 1, 3 and 2, -3, 1 .

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

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

The direction ratios of a line which is perpendicular to the two lines whose direction ratios are 3, -2, 4 and 1, 3, -2 is

The direction ratios of a line which is perpendicular to the two lines whose direction ratios are 3, -2, 1 and 2, 4, -2 is

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