Specimen 2020 Paper 1 Q5
5
\[y = 2x^{10} - \frac{3}{x^2}\]Work out \(\dfrac{\mathrm{d}y}{\mathrm{d}x}\) [3 marks]
| Answer | Mark | Comments |
|---|---|---|
| \(-3x^{-2}\) | M1 | |
| \(20x^9\) or \(+6x^{-3}\) | M1 | |
| \(20x^9 + 6x^{-3}\) | A1 | no additional terms |
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