设常数λ＞0，且级数<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/23819723_0.png">收敛，则级数<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/23819723_0_1.png">（　　）。