3*q⁴ =48 |:3
q⁴ =16
q = -2 lub q =2
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dla q = -2
a = 3q = 3*(-2) = -6
b = 3q² = 3*(-2)² =3*4 = 12
c = 3q³ = 3*(-2)³ = 3*(-8) = -24
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dla q =2
a = 3q = 3*2 = 6
b = 2q² = 3*2² = 3*4 = 12
c =3q³ = 3*2³ =3*8 = 24
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Szukane liczby to
-6, 12, -24 lub 6, 12, 24