Evaluate
\frac{12}{L\left(s^{2}+9\right)}
Differentiate w.r.t. L
-\frac{12}{L^{2}\left(s^{2}+9\right)}
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\frac{L^{-1}\times 12}{s^{2}+9}
Express L^{-1}\times \frac{12}{s^{2}+9} as a single fraction.
Examples
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Matrix
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