Saved Bookmarks
| 1. |
Factorize: x2-y2-4xz+4z2 |
|
Answer» Given, x4+x2y2+y4 = x4+2x2y2+y4 – x2y2 = (x2y2)2 – (xy)2 = (x2+ y2 – xy) (x2+ y2 + xy) |
|