Given that y, (t) - cos tis a solution to y"-y'+y = sin t and y2 (0) 3 e 21 is a solution to y"- y' y=e21 use the superposition principle to find solutions to the differential equations in parts (a) through (C) below. (a) y" - y' y= 18 sin A solution is y() = (b) y" - y' +y - 4 sint-62t Question Vicwer A solution is y(t) = (c) y"-y'+y= 5 sin t+ 18 e21 A soluton is y(t) -

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