What is laplacetransform 5t^2-2e^t ?

The answer to laplacetransform 5t^2-2e^t is (10)/(s^3)-2/(s-1)

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laplacetransform 5t^2-2e^t

laplace transform

5 t^{2} - 2 e^{t}

\frac{10}{s ^{3}} - \frac{2}{s - 1}

Solution steps

L {5 t^{2} - 2 e^{t}}

Use the linearity property of Laplace Transform:

For functions

f (t), g (t)

and constants

a, b : L {a \cdot f (t) + b \cdot g (t)} = a \cdot L {f (t)} + b \cdot L {g (t)}

= 5 L {t^{2}} - 2 L {e^{t}}

L {t^{2}} : \frac{2}{s ^{3}}

L {e^{t}} : \frac{1}{s - 1}

= 5 \cdot \frac{2}{s ^{3}} - 2 \cdot \frac{1}{s - 1}

Refine

5 \frac{2}{s ^{3}} - 2 \frac{1}{s - 1} : \frac{10}{s ^{3}} - \frac{2}{s - 1}

= \frac{10}{s ^{3}} - \frac{2}{s - 1}

\frac{\partial}{\partial y} (4 x^{3} - 4 y)

\frac{d}{d x} (- \frac{k}{x ^{2}})

\int \frac{2 x + 3}{x + 1} d x

x^{3} - 8 x^{2} + 19 x - 12

What is laplacetransform 5t^2-2e^t ?
The answer to laplacetransform 5t^2-2e^t is (10)/(s^3)-2/(s-1)