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kiaramccurty
30.07.2019 •
Mathematics
Solving the following odes: (a) y" - 2y' - 3y = e^-x: (b) y'" + 3y" + 3y' + y = e^-x (x - 5);
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Ответ:
Key features: the functions can not be parallels, this means that their respective slopes can not be equal or multiple to the other
Step-by-step explanation:
Take for instance 2 linear functions, and
If they intersect in some point in the space, say that is
Then (x1,y1)=(x3,y3), (x2.y2)= (x3,y3)
So, we can compare the two functions and get the following result;
It tells us that if M=m, we get an error, meaning that the functions are in fact parallels and there is no way that they meet in some point.
hope this helps!