Sequences and Series

A sequence $u_1, u_2, u_3, \dots\,$ is defined by

\begin{aligned}u_1 &= 3, u_2 = 5 \\u_n &= u_{n-1} + u_{n-2}, \quad n \geq 3\end{aligned}

Find $u_3, u_4\,$ and $u_5$ .

[3]

A sequence $u_1, u_2, u_3, \dots\,$ is defined by

\begin{aligned}u_1 &= 3, u_2 = 5 \\u_n &= u_{n-1} + u_{n-2}, \quad n \geq 3\end{aligned}

Find $u_3, u_4\,$ and $u_5$ .

[3]

Sequences and Series Questions