\[\beta_{p}-\lambda-\cfrac{\alpha_{p-2}\gamma_{p}}{\beta_{p-2}-\lambda-\cfrac{%
\alpha_{p-4}\gamma_{p-2}}{\beta_{p-4}-\lambda-\cdots}}=\cfrac{\alpha_{p}\gamma%
_{p+2}}{\beta_{p+2}-\lambda-\cfrac{\alpha_{p+2}\gamma_{p+4}}{\beta_{p+4}-%
\lambda-\cdots}},\]