Substitution
| Paper | Question Topic | Written Solution | Video Solution |
|---|---|---|---|
| 2009-05-18 EdExcel 1380-3H | Q04 Substitution | Yes | No |
| 2012-06-11 EdExcel 1MA0-1H | Q05 Substitution | No | Yes |
| 2008-05-19 EdExcel 5540H-1F | Q12 Substitution | No | No |
| Paper | Question Topic | Written Solution | Video Solution |
|---|---|---|---|
| 2009-05-18 EdExcel 1380-3H | Q04 Substitution | Yes | No |
| 2012-06-11 EdExcel 1MA0-1H | Q05 Substitution | No | Yes |
| 2008-05-19 EdExcel 5540H-1F | Q12 Substitution | No | No |