Saved Bookmarks
| 1. |
factorise x^4+x^2y^2+y^4 |
|
Answer» x*x*x*x + x*xy*y + y*y*y*y = x*x*x*x + 2x*xy*y + y*y*y*y - x*xy*y = (x*x + y*y)(x*x + y*y) - (xy)(xy) = (x*x + xy + y*y)(x*x - xy + y*y) If you find this answer helpful then like it. |
|