dbautis25
30.07.2019 •
Mathematics
Use variation of parameters to find a particular solution of y" - y = 1/e^x + e^-x.
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Ответ:
Step-by-step explanation:
Given:
First we will find homogeneous solution:
Let be the solution of equation
we get,
. Since , we will solve equation:
We get homogeneous solution as
For particular solution:
On comparing with , we get
Particular solution is of form .
Here,
Let
we get,
So, we get particular solution as:
Therefore, solution is
Ответ:
√ x-3=43y+5+2+y=2y = 42 x = 5
Step-by-step explanation: