Dla jakich wartości a wartość wyrażenia nie istnieje ?
a)
b)
c)
d)
a) dla x^2 = 0
x = 0
b) a - 3 = 0
a = 3
c) a(a - 1) = 0
a = 0 lub a = 1
d) (a + 4)^2 = 0
a = -4
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a) dla x^2 = 0
x = 0
b) a - 3 = 0
a = 3
c) a(a - 1) = 0
a = 0 lub a = 1
d) (a + 4)^2 = 0
a = -4