Saved Bookmarks
| 1. |
Solve the following quadratic equation for x:x2 - 4ax - b2 + 4a2 = 0 by factorisation |
|
Answer» x^2-2*2A*x+(2a)^2-(b)^2=0 (x-2a)^2-(b)^2=0 (x-2a-b)(x-2a+b)=0 x-2a-b=0 x-2a+b=0 x=b+2a x=2a-b Therefore, x= 2a+b or 2a-b |
|