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find-u-n-x-if-u-n-x-u-n-1-x-x-n-n-




Question Number 135778 by mathmax by abdo last updated on 15/Mar/21
find  u_n (x)if  u_n (x)+u_(n+1) (x)=(x^n /(n!))
findun(x)ifun(x)+un+1(x)=xnn!

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