W ciągu geometrycznym (a n) dane są a1 =32 i a4 = -4. Iloraz tego ciągu jest równy
a4 = a1 * q^3
-4 = 32 *q^3
-1/8 = q^3
q = -1/2
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a4 = a1 * q^3
-4 = 32 *q^3
-1/8 = q^3
q = -1/2