If y=Ae-kt cos(pt+c) show that d2y/dt2 + 2k dy/dt + n2y=0 where n2=p2 + k2 - Maths - Continuity and Differentiability

Question

If y=Ae​-kt​​ cos(pt+c) show that
d2y/dt2​ + 2k dy/dt +
n2​y=0 where n​2=p2 +
k2

Neha Sethi · Accepted Answer

Dear student
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If y=Ae​-kt​​ cos(pt+c) show that d2y/dt2​ + 2k dy/dt + n2​y=0 where n​2=p2 + k2