(a) For what values of k does the function y = cos kt satisfy the differential equation...
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(a) For what values of k does the function y = cos kt satisfy the differential equation 4y" = –25y ?
(b) For those values of k, verify that every member of the family of functions y = A sin kt + B cos kt is also a solution.
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Related Book For
Calculus Early Transcendentals
ISBN: 9781337613927
9th Edition
Authors: James Stewart, Daniel K. Clegg, Saleem Watson, Lothar Redlin
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