Engineering Board Exam Reviewer · Laplace Transforms · easy

Find the Laplace transform of f(t)=e-2t.

1. 1/s - 2
2. 1/s + 2
3. 2/s + 2
4. 1s2 + 4

Answer

B. 1/s + 2

Solution

Leat=1/s-a. With a=-2: 1/s+2.

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