Question

\[\mathcal L^{-1} \left \lbrace \frac{5s-2}{s^2(s+2)(s-1)} \right \}\]
i got \[-2 + t + e^{-2t} + e^t\]

Answer 1

bingo

Answer 2

wolf doesn't like inverse Laplace transform ... take Laplace of the result

Answer 3

i still dont get wolfing the laplace lol

Answer 4

http://www.wolframalpha.com/input/?i=laplace+transform+of+%E2%88%922%2Bt%2Be%5E%28%E2%88%922t%29%2Be%5Et

Answer 5

and cool if im right :D

Answer 6

compare with this !
http://www.wolframalpha.com/input/?i=inverse+laplace+transform&a=*C.inverse+laplace+transform-_*Calculator.dflt-&f2=%285s-2%29%2F%28s%5E2%28s%2B2%29%28s-1%29%29&f=InverseLaplaceTransformCalculator.transformfunction_%285s-2%29%2F%28s%5E2%28s%2B2%29%28s-1%29%29&f3=s&f=InverseLaplaceTransformCalculator.variable1_s&f4=t&f=InverseLaplaceTransformCalculator.variable2_t

Answer 7

it says you are right !!!

Answer 8

ah thats another way to check