| Giver | Post | Date |
| Thonereturns | In three-dimensional space, if each of the two lines L1 and L2 is perp | 03-Oct-2023 |
| sk69 | In three-dimensional space, if each of the two lines L1 and L2 is perp | 24-Aug-2023 |
| chandnik3 | In three-dimensional space, if each of the two lines L1 and L2 is perp | 06-Jul-2023 |
| PrafulLata | In three-dimensional space, if each of the two lines L1 and L2 is perp | 30-Jun-2023 |
| snehilr | In three-dimensional space, if each of the two lines L1 and L2 is perp | 09-May-2023 |
| Johnny1989 | In three-dimensional space, if each of the two lines L1 and L2 is perp | 19-Apr-2023 |
| ManSC93 | In three-dimensional space, if each of the two lines L1 and L2 is perp | 16-Apr-2023 |
| caffeinick | In three-dimensional space, if each of the two lines L1 and L2 is perp | 12-Apr-2023 |
| mehro023 | In three-dimensional space, if each of the two lines L1 and L2 is perp | 22-Mar-2020 |
| Anki1405 | In three-dimensional space, if each of the two lines L1 and L2 is perp | 17-Dec-2019 |
| JOSHUAanto54 | In three-dimensional space, if each of the two lines L1 and L2 is perp | 12-Nov-2019 |
| junii | In three-dimensional space, if each of the two lines L1 and L2 is perp | 22-Oct-2019 |
| SeemaRawat | In three-dimensional space, if each of the two lines L1 and L2 is perp | 16-Oct-2019 |
| ridhiagarwal | In three-dimensional space, if each of the two lines L1 and L2 is perp | 14-Oct-2019 |
| sajon | In three-dimensional space, if each of the two lines L1 and L2 is perp | 14-Oct-2019 |
| mgrsantosh | In three-dimensional space, if each of the two lines L1 and L2 is perp | 17-Nov-2017 |
| krisdheers | In three-dimensional space, if each of the two lines L1 and L2 is perp | 14-Sep-2017 |
| ub333 | In three-dimensional space, if each of the two lines L1 and L2 is perp | 08-Aug-2017 |
| IIMC | In three-dimensional space, if each of the two lines L1 and L2 is perp | 04-Aug-2017 |
| vs224 | In three-dimensional space, if each of the two lines L1 and L2 is perp | 02-Aug-2017 |
| shalini14 | In three-dimensional space, if each of the two lines L1 and L2 is perp | 20-Jun-2017 |
| nishantt7 | In three-dimensional space, if each of the two lines L1 and L2 is perp | 14-May-2017 |
| sagchouitc | In three-dimensional space, if each of the two lines L1 and L2 is perp | 29-Nov-2016 |
| vikithebest1 | In three-dimensional space, if each of the two lines L1 and L2 is perp | 22-Nov-2016 |
| Vinayak Shenoy | In three-dimensional space, if each of the two lines L1 and L2 is perp | 21-Nov-2016 |
| sameerpinto | In three-dimensional space, if each of the two lines L1 and L2 is perp | 25-Oct-2015 |
