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E3. Så se determine gradul polino-
mului f, in cazurile:
a) fe Q[X], f= 2+ (m-1) x² +
+(2m² - 3m +1)x³:
b)fe Zs [X], f-i+mX+(m²-m) x²;
c) fe Zs [X]. f = (m² + 1) x³ +
+(m+3)x+ 2;
d) fe C[x]. f = m² -1+ 2X +
+(m²-3m+2) x² + (m² - 4) x³;
e) fc C[x]. f = 1+ (m² +1) X+
+m+m
+m