Odpowiedź:
[tex]\displaystyle a_n=\frac{2}{3} \cdot(-9)^n\\a_1=\frac{2}{3} \cdot(-9)^1=-9\cdot\frac{2}{3} =-6[/tex]
C
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Odpowiedź:
[tex]\displaystyle a_n=\frac{2}{3} \cdot(-9)^n\\a_1=\frac{2}{3} \cdot(-9)^1=-9\cdot\frac{2}{3} =-6[/tex]
C