Given two differential equations: + 2x = Y dt2 + 2y = x dt? where a(0) = 4, ' (0) = 0, 3(0) = 2 and y' (0) = 0 (a) Solve the simultaneous differential equations using Laplace transform showing that 483+10s X(s) = (s²+1)(s²+3) and 283+88 Y(s) = +1)(s²+3) (b) Hence, using the inverse Laplace transform find æ (t) and 3(t).

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Given two differential equations:
+ 2x = Y
dt?
+ 2y = x
dt?
where x (0)
= 4, a' (0) = 0, 3(0) = 2 and y' (0) = 0
(a) Solve the simultaneous differential equations using Laplace
transform showing that
483+10s
X(s) =
(s?+1)(s?+3)
and
283+88
Y(s) =
(s?+1)(s?+3)
(b) Hence, using the inverse Laplace transform find a (t) and
3(t).
Transcribed Image Text:Given two differential equations: + 2x = Y dt? + 2y = x dt? where x (0) = 4, a' (0) = 0, 3(0) = 2 and y' (0) = 0 (a) Solve the simultaneous differential equations using Laplace transform showing that 483+10s X(s) = (s?+1)(s?+3) and 283+88 Y(s) = (s?+1)(s?+3) (b) Hence, using the inverse Laplace transform find a (t) and 3(t).
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