Odpowiedź:
f(x) = 0
1/9 * 27ˣ - 1 = 0
1/9 * 27ˣ = 1 |*9
27ˣ = 9
3³ˣ = 3²
3x = 2 |:3
x = 2/3
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Odpowiedź:
f(x) = 0
1/9 * 27ˣ - 1 = 0
1/9 * 27ˣ = 1 |*9
27ˣ = 9
3³ˣ = 3²
3x = 2 |:3
x = 2/3