Linear factor with a square root
Linear factor with a square root
Secondary 4
6 marks
Original parallel to supplied A Math integration references
- Show that \(\dfrac{\mathrm{d}}{\mathrm{d}x}\left[(3x-1)\sqrt{x+2}\right]=\dfrac{9x+11}{2\sqrt{x+2}}\).[3]
- Hence evaluate \(\displaystyle\int_{-1}^{2}\dfrac{9x+11}{2\sqrt{x+2}}\,\mathrm{d}x\).[3]
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Answer:\(14\)
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