ПОМОГИТЕ РЕШИТЬ ГЕОМЕТРИЧЕСКИЕ ПРОГРЕССИИ.ДАЮ 30 БАЛЛОВ СРОЧНО!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1) b1=150, b4=1,2, b5=?
2) b3=8,b4/b1=64,b1=?
1) b1=150, b4=1,2, b5=?
2) b3=8,b4/b1=64,b1=?
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Answers & Comments
b4=32
b1=4, b2=8, b3=16, b4=32, b5=64
q=b2/b1=1/q; q^2=1; q1=1; q2=-