oblicz wartosc wyrazenia x2+1/2-x dla:
a)x=3
b)x=1/2
c)x=-1/3
d)x=-1/2
PROSZE O SZYBKA ODPOWIEDZ DAJE NAJ.
x²+½-x
a) x=3
3²+½-3=9+½-3=6½
b) x=½
(½)²+½-½=¼
c)x=-⅓
(-⅓)²+½-(-⅓)=1/9+9/18+6/18=2/18+9/18+6/18=17/18
d) x=-½
(-½)²+½-(½)=¼+½+½=1¼
a)
b)
c)
d)
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x²+½-x
a) x=3
3²+½-3=9+½-3=6½
b) x=½
(½)²+½-½=¼
c)x=-⅓
(-⅓)²+½-(-⅓)=1/9+9/18+6/18=2/18+9/18+6/18=17/18
d) x=-½
(-½)²+½-(½)=¼+½+½=1¼
a)
b)
c)
d)