1. Anamal va narmal dispersiya


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                         х = х0 cоswt                    

 

х¢ = - х0 sinwt . w, х¢¢ = - w2х0 соswt,



-w2х0 соswt= -w2х0 соswt - соswt, х0 (w2- w02) = ,

va nihoyat,


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