| 2024-05-10 | If direction ratios of two lines are 5,-12,13 and -3,4,5 then the angle between them is.... |
| 2024-05-10 | Let O be the origin and P be the point at a distance 3 units from origin. If D.r.'s of OP are (1.... |
| 2024-05-10 | If α,β,γ be the direction angles of a vector and cosα=1415,cosβ=13 t.... |
| 2024-05-10 | The number of straight lines that are equally inclined to the three dimensional co-ordinate axes.... |
| 2024-05-10 | The straight lines x-11=y-22=z-33 and x-12=y-22=z-3-2 are.... |
| 2024-05-10 | If the direction ratios of a line are 1,-3,2, then the direction cosines of the line are.... |
| 2024-05-10 | Show that lines r→=(i^+j^-k^)+λ(3i^-j^) and r→=(4i^-k^)+μ(2i^+3k^) intersect.... |
| 2024-05-10 | The projection of the line segment joining the points (-1,0,3) and (2,5,1) on the line whose dir.... |
| 2024-05-10 | Distance of the point (1,2,3) from the co-ordinate axes are.... |
| 2024-05-10 | If 12,13,n are the direction cosines of a line, then the value of n is.... |
| 2024-05-10 | Find the value of λ, so that the lines 1-x3=7y-142λ=5z-1011 and 7-7x3λ=y-51.... |
| 2024-05-10 | The cartesian equation of a line AB is 2x-13=y+22=z-33. Find the direction cosines of a line par.... |
| 2024-05-10 | Find the cartesian equation of the line which passes through the point (-2,4,-5) and parallel to.... |
| 2024-05-10 | The equation to the straight line passing through the points (4,-5,-2) and (-1,5,3) is.... |
| 2024-05-10 | The equation of the plane which is parallel to y-axis and cuts off intercepts of length 2 and 3 .... |
| 2024-05-10 | A number consists of 7 digits whose sum is 59 ; find the chance of its being divisible by 11 ..... |
| 2024-05-10 | A box is divided into \(m\) equal compartments into which \(n\) balls are thrown at random; find.... |
| 2024-05-10 | If a line makes angles 90°,135°&45° with the x,y&z axes respectively, then i.... |
| 2024-05-10 | The line joining the points (0,5,4) and (1,3,6) meets XY plane at the point.... |
| 2024-05-10 | The distance of point (2,5,7) from the x-axis is.... |
| 2024-05-10 | If the length of a vector be 21 and direction ratios be 2,-3, 6 then its direction cosines are.... |
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