# MAT - Paper 2016 - Q5

> Source: https://ollybritton.com/notes/maths/problems/mat/2016/q5/ · Updated: 2021-10-13 · Tags: mat, notes, maths

## Flashcards
### 2021-10-13
##### Why is it worth putting in the organisational effort and spending slightly longer than needed writing out a sequence or drawing a graph??
Because it means less mental work later on.

##### Why is drawing a diagram or clearly writing out a sequence your best friend??
The paper can become your working memory.

##### A sequence is defined as $$U_n = 2 + 4 + 24 + ... + n2^n$$ What is the first step??
Writing out the first few terms clearly in a table.

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