- #1

stephan2124

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L -3e^{9t}+9 sin(9t)

L-3e^{9t}+L 9 sin (9t)

-3 Le^{9t}+9 L sin(9t)

-3 (1/s-9) +9 (9/(s^2+9^2))

-3 (1/s-9) +9 (9/(s^2+81))

into a math program

-3*(1/(s-9)+9*(9/s exp +81)