In each of problems, determine intervals in which solutions are sure to exist.
1. y^(4)...
Mathematics, 20.01.2020 20:31, Gheaton1889
In each of problems, determine intervals in which solutions are sure to exist.
1. y^(4) + 4y"' + 3y = t
2. ty"' + (sin t)y" + 3y = cos t
3. t(t - 1)y^(4) + e^ty" + 4t^2y = 0
4. y"' + ty" + t^2y' + t^3y = ln t
5. (x-1)y^(4) + (x + 1)y" + (tan x)y = 0
6. (x^2 - 4)y^(6) + x^2y"' + 9y = 0
Answers: 2
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