a) d2x/dt2 – αx = 0
b) d2x/dt2 + αx = 0
c) d2x/dt2 – α2x = 0
d) d2x/dt2 + α2x = 0
Which of the following is the valid differential equation x = a cos(αt + β)?
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answerhappygod
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Which of the following is the valid differential equation x = a cos(αt + β)?
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