1. Find the value of a such that y"(t) + y' (t) + 3y(t) = 5 sin at is resonance. Hence or otherwise find y(t). 2. Solve
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1. Find the value of a such that y"(t) + y' (t) + 3y(t) = 5 sin at is resonance. Hence or otherwise find y(t). 2. Solve
1. Find the value of a such that y"(t) + y' (t) + 3y(t) = 5 sin at is resonance. Hence or otherwise find y(t). 2. Solve v"(t) + 4y (t) + 5y(t) = -2 cosht 3. By variation of parameters, solve ty"(t) +Ty(t) - y(t) = t logt
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