What is laplacetransform f(t)=r^2+6r-3 ?

The answer to laplacetransform f(t)=r^2+6r-3 is 2/(s^3)+6/(s^2)-3/s

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laplacetransform f(t)=r^2+6r-3

laplace transform

f (t) = r^{2} + 6 r - 3

\frac{2}{s ^{3}} + \frac{6}{s ^{2}} - \frac{3}{s}

Solution steps

L {r^{2} + 6 r - 3}

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)}

= L {r^{2}} + 6 L {r} - L {3}

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

L {r} : \frac{1}{s ^{2}}

L {3} : \frac{3}{s}

= \frac{2}{s ^{3}} + 6 \cdot \frac{1}{s ^{2}} - \frac{3}{s}

Refine

\frac{2}{s ^{3}} + 6 \frac{1}{s ^{2}} - \frac{3}{s} : \frac{2}{s ^{3}} + \frac{6}{s ^{2}} - \frac{3}{s}

= \frac{2}{s ^{3}} + \frac{6}{s ^{2}} - \frac{3}{s}

(3.1) (6.3)

x \to 3 + lim (\frac{x ^{2}}{3 x - 9})

- 2 x^{4} + 2 x^{3} - x^{2} + x

y = 7 e^{x}

What is laplacetransform f(t)=r^2+6r-3 ?
The answer to laplacetransform f(t)=r^2+6r-3 is 2/(s^3)+6/(s^2)-3/s