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Page 4 IV. (10) Use the Laplace transform to solve the IVP y - 2y + y = f(t), y(0) = 1, y(0) = 1, where t<5 f(t) = t-5, t5 Y

f(t)=L-{F(s) Table of Laplace Transforms F(s)=L{()} f(t)= L-{F(s) F(s)=L{f(t)} 1. 2. et s-a 3. r, n=1,2,3,... P+1 5. Vi a

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Differential equation yl-24ty f(t) Y(0): Yico) = 1 flat) o I < 5 (4-5), t25 Now, taking caplace transform on both side of gi(3²-25+1) ST (81) + [60-0)-(0-0.5 est) 752-25+) s? (52-25+1) 0-55 7 (sal) 0-55 * (salla s2 (5²-25+1) -55 y 7 S-1 5?(52-25+1)2 17 । 52 + 2 (5-1) | (S-112 521522541 s - + + 2 S + ९5-2540 52 हिमा 2 (5-1) Hence, न e-55 20-55 28-55 + S (S-1) (5-12 (6-1)

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