???POMOCY????
1.Wyznacz a1 i q ciaglu arytmetycznego (an) jesli;
a)i
b) i
2.Dla jakich wartości parametru m liczby :m-7,m+3,4m-3 tworzą ciąg geometryczny ???
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a![a_{2}=a_{1}+r\\ a_{1}+r=-6\\ ></p><p><img src=](https://tex.z-dn.net/?f=a_%7B2%7D%3Da_%7B1%7D%2Br%5C%5C+a_%7B1%7D%2Br%3D-6%5C%5C)
-![-6=a_{1}-9\\ a_{1}=3 -6=a_{1}-9\\ a_{1}=3](https://tex.z-dn.net/?f=-6%3Da_%7B1%7D-9%5C%5C+a_%7B1%7D%3D3)
b)