A sequence $u_1$, $u_2$, $u_3$, $\ldots$ is such that $u_{n+1}=Au_n+Bn+C$, where&nbsp

Question

A sequence $u_1$, $u_2$, $u_3$, $\ldots$ is such that $u_{n+1}=Au_n+Bn+C$, where $n\geq 1$ and $A$, $B$ and $C$ are constants. It is given that $u_1=8$, $u_2=22$, $u_3=49$ and $u_4=102$. Find the value of $u_5$.[4]

Accepted Answer

$u_5=207$

N2026 P1 Q1

N2026 P1 Q1