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2026 DSS P1 Q7
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2026 DSS P1 Q7
Secondary 4
6 marks
Find \(\dfrac{\mathrm{d}}{\mathrm{d}x}(xe^{3x})\).
[2]
Hence find \(\int xe^{3x}\,\mathrm{d}x\).
[4]
Solution:
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Answer:
(a) \(e^{3x}+3xe^{3x}\). (b) \(\dfrac{xe^{3x}}3-\dfrac{e^{3x}}9+C\).
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