### Solve the differential equation. y``

```Solve the differential equation.
y'' - 6y' + 45y = 0
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Solve the differential equation.
y'' - 6y' + 9y = 0
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33%
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319
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Solve the initial-value problem.
y'' - 64y = 0, y(0) = 10, y'(0) = 0
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131 14
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Solve the boundary-value problem, if
possible. y'' + 2y' - 63y = 0, y(0) = 0, y(2) = 1
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420
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```