(a)[1]
Determine $u_5$.
(b)[1]
The $n$th term of the sequence, $u_n$, has the form $n(n+p)+(n+q)^2$. State the value of $p$ and the value of $q$.
(c)[2]
The $u_n$ expression can also be written as $An^2+Bn+C$. Find the values of $A$, $B$ and $C$.
Mathematics 4024 · O Level · Sequences
Sequences — practice question
The first four terms in the sequence are $u_1,u_2,u_3,u_4$.