SubArea: Geometric sequencesLevel: BProject ID: 9000072809Accepted: 1Clonable: 0Easy: 1The following numbers form a geometric sequence. Find \(x\). \[ 1\, ,\ a\, ,\ x\, ,\ -1 \]\(1\)\(-\frac{1} {3}\)\(0\)\(-\frac{2} {3}\)
