1. Use formulas (2)-(5) to find the Laplace image of the given function (a) 2e-3t (d) 7sin4t - 1 (g) sinht=(et – e−t) (b) t² - 5t+3 (e) cost - sin (h) cosht= (et+e-t) (c) 5e2t - 2t3 (f) 1+ sin (i) (t² + 1)2.

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