InterviewSolution
Saved Bookmarks
| 1. |
Factorise a3 – 3a2b + 3ab2 – b3 |
|
Answer» a3 – 3a2b + 3ab2 – b3 = (a)3 – 3 (a)2 (b) + 3 (a) (b)2 – (b)3 = (a – b)3 = (a – b) (a – b) (a – b) |
|