| Exam Board | SPS |
|---|---|
| Module | SPS SM Pure (SPS SM Pure) |
| Year | 2020 |
| Session | October |
| Marks | 3 |
| Topic | Binomial Theorem (positive integer n) |
| Type | Standard binomial expansion |
| Difficulty | Easy -1.8 This is a straightforward application of the binomial theorem requiring only recall of the formula and careful arithmetic with the coefficients and powers. It's a routine mechanical exercise with no problem-solving element, significantly easier than average A-level questions. |
| Spec | 1.04a Binomial expansion: (a+b)^n for positive integer n |
Expand $(x - 2y)^5$.
[3]
\hfill \mbox{\textit{SPS SPS SM Pure 2020 Q3 [3]}}