Question: Show by direct substitution that Equation 14-48 is a solution of Equation 14-47. Equation 14-47 reads d'x 14-47 dx +b=+ mofx = F, cos ot

Show by direct substitution that Equation 14-48 is a solution of Equation 14-47. Equation 14-47 reads

d'x 14-47 dx +b=+ mofx = F, cos ot di? dt x

d'x 14-47 dx +b=+ mofx = F, cos ot di? dt x = A cos(@t d) 14-48

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