powella033
26.03.2020 •
Mathematics
DEFINITION 7.1.1 Laplace Transform Let f be a function defined for t ≥ 0. Then the integral ℒ{f(t)} = [infinity] e−stf(t) dt 0 is said to be the Laplace transform of f, provided that the integral converges. Find ℒ{f(t)}. (Write your answer as a function of s.) f(t) = t cos t ℒ{f(t)} = (s > 0)
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Ответ:
Laplace transform of f(t)=t cost is, .
Step-by-step explanation:
Given,
To find by Laplace integral method,
Ответ:
2by2 goes first,so we get 4.
4+3x=-5
step two:
we remove 4 to the other side so we leave 3x alone, and when +4 is removed, it becomes negative.
3x=-5-4
so 3x=-9
step three:
-9 is divided by 3 so the answer is -3