Mathematics, 25.08.2021 04:50 JCSakura

Verify that the indicated pair of functions is a solution of the given system of differential equations on the interval (−[infinity], [infinity]). d2x dt2 = 4y + et d2y dt2 = 4x − et x = cos(2t) + sin(2t) + 1 5 et y = −cos(2t) − sin(2t) − 1 5 et When x = cos(2t) + sin(2t) + 1 5 e

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