我要问关于数列的问题7.在等比数列{An}中(1)已知A2=4,A5=-(1/2),求它的通项公式;(2)已知A3*A4*A5=8,求A2*A3*A4*A5*A6的值
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![我要问关于数列的问题7.在等比数列{An}中(1)已知A2=4,A5=-(1/2),求它的通项公式;(2)已知A3*A4*A5=8,求A2*A3*A4*A5*A6的值](/uploads/image/z/7276776-24-6.jpg?t=%E6%88%91%E8%A6%81%E9%97%AE%E5%85%B3%E4%BA%8E%E6%95%B0%E5%88%97%E7%9A%84%E9%97%AE%E9%A2%987.%E5%9C%A8%E7%AD%89%E6%AF%94%E6%95%B0%E5%88%97%7BAn%7D%E4%B8%AD%281%29%E5%B7%B2%E7%9F%A5A2%3D4%2CA5%3D-%281%2F2%29%2C%E6%B1%82%E5%AE%83%E7%9A%84%E9%80%9A%E9%A1%B9%E5%85%AC%E5%BC%8F%EF%BC%9B%282%29%E5%B7%B2%E7%9F%A5A3%2AA4%2AA5%3D8%2C%E6%B1%82A2%2AA3%2AA4%2AA5%2AA6%E7%9A%84%E5%80%BC)
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