June 2023 Paper 1 Q1
1 Find the coefficient of \(x^7\) in the expansion of \((2x - 3)^7\)
Circle your answer. [1 mark]
- \(-2187\)
- \(-128\)
- \(2\)
- \(128\)
| Scheme | Marks | AO |
|---|---|---|
| Circles the correct answer | B1 | 1.1b |
| (1 mark) |
Typical solution
\(128\)
1 Find the coefficient of \(x^7\) in the expansion of \((2x - 3)^7\)
Circle your answer. [1 mark]
| Scheme | Marks | AO |
|---|---|---|
| Circles the correct answer | B1 | 1.1b |
| (1 mark) |
\(128\)