InterviewSolution
Saved Bookmarks
| 1. |
5. Factorise:(1) 4x* +9y2 + 167² + 12xy - 24yz - 16xZ |
|
Answer» I want to talk with teachers (a+b-c)^2=a^2+b^2+c^2+2ab-2bc-2cahence put a=2x b=3y and c=-4zthen(2x+3y-4z)^2=4x^2+3y^2+4z^2+12xy-24yz-16xzhence(2x+3y-4z)(2x+3y-4z) |
|