已知\(-9\),\(a_{1}\),\(a_{2}\),\(-1\)成等差数列,\(-9\),\(b_{1}\),\(b_{2}\),\(b_{3}\),\(-1\)成等比数列 ,则\(b_{2}(a_{1}+a_{2})\)等于\((\) \()\)
进入组卷