Răspuns :
Aplicam Suma Gauss
a=1+2+3+...+100=
a=100*101/2=
a=10100/2=
a=5050
[tex]Patrat-Perfect= x^{2} [/tex]
[tex]x=71,06(radical) \\ Nu-este-Patrat-Perfect.[/tex]
a=1+2+3+...+100=
a=100*101/2=
a=10100/2=
a=5050
[tex]Patrat-Perfect= x^{2} [/tex]
[tex]x=71,06(radical) \\ Nu-este-Patrat-Perfect.[/tex]