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s344n2d4d5 [400]
2 years ago
8

Find laplace transform of t+t^2 +t^3

Mathematics
1 answer:
Usimov [2.4K]2 years ago
3 0

Recall that

L_s\left\{t^n\right\} = \dfrac{n!}{s^{n+1}}

where L_s\left\{y(t)\} is the Laplace transform of <em>y(t)</em> into the <em>s</em>-domain.

Then you have

L_s\left\{t+t^2+t^3\right\} = \dfrac{1!}{s^{1+1}} + \dfrac{2!}{s^{2+1}} + \dfrac{3!}{s^{3+1}} = \boxed{\dfrac1{s^2} + \dfrac2{s^3} + \dfrac6{s^4}}

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