Tb p lm ial \(2 x ^ { 3 } + a x ^ { 2 } - a x - 2\) wh re \(a\) is a co tan, is d h ed \(\mathrm { y } \quad \mathrm { p } x\) ). It is g n th t \(( x + 1\) is a facto \(6 \quad ( x )\).
Fid b le \(6 a\).
Wh n \(a \mathbf { b }\) s th s le , f in e remaid r wh \(\underline { \mathrm { p } } \quad x )\) is \(\dot { \mathbf { d } } \dot { \mathbf { v } } \mathbf { d }\) dt \(\quad x + \beta\).