👤

Rezolvati in R , ecuatia
(x-1) + (x-2) + (x-3) +... + (x-10) = 0


Răspuns :

x-1+x-2+x-3+...+x-10=0
10x-(1+2+3+....+10)=0
10x-10*11/2=0
10x-110/2=0
10x-55=0
10x=55
x=55:10
x=5.5