Saved Bookmarks
| 1. |
Math class 08 questions please answer these questions as fast as possible please!! |
| Answer» 23) 4X 2 +9Y 2 −z 2 +12xy=4x 2 +12xy+9y 2 −z 2 =(2x+3y) 2 −z 2 =(2x+3y+z)(2x+3y−z).Step-by-step explanation:26) x4 + x2 + 1 = (x4 + 2x2 + 1) – x2 = [(x2)2 + 2x2 + 1] – x2 = [x2 + 1]2 – x2 It is in the form of (a2 – B2) = (a + b)(a – b) Hence [x2 + 1]2 – x2 = [x2 + 1 + X] [x2 + 1 – x] | |