Obicz wartość funkcji wymiernej F dla podanego obok argumentu , jesli
-x² +3
a) F (x) = -------------- -1
(2-x )(2+x)
2x² - 1
b) F (x) = ------------ , 2
x³ - 1
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a)
b)
a/ f(x)=-(-1)kwadrat+3/ (2+1)(2-1)= 2/3x1=2/3
b/ 2x4-1/8-1= 7/7=1