Saved Bookmarks
| 1. |
The reduced linear differential equation of (2x+3)^2D^2y-(2x+3)Dy-12y=6x. Ops: A. В. C. D. a. (D'^2-3/2D'-3)y=1/4(3e^z-9) b. (D'^2+3/2D'+3)y=1/4(3e^z-9 c. (D'^2-3/2D'+3)y=1/4(3e^z-9) d..(D'^2-3/2D'-3)y=1/4(3e^z+9) |
|
Answer» Take 2X + 3 = ET , t = log(2x + 3) so that the GIVEN equation reduced to [4D(D – 1) – 2D – 12]y = 3(e^t – 3) as 6x = 3(2x) = 3(e^t – 3) or 2(2D2 – 3D – 6)y = 3(e^t – 3)Continue with fig.1 |
|