2025 WGS P1 Q9

2025 WGS P1 Q9

Secondary 4
6 marks
  1. Find \(\displaystyle\int\dfrac7{\sqrt{11x+5}}\,\mathrm{d}x\).[3]
  2. Hence evaluate \(\displaystyle\int_1^4\dfrac{14}{\sqrt{11x+5}}\,\mathrm{d}x\).[3]

Solution:

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Answer:(a) \(\dfrac{14}{11}\sqrt{11x+5}+C\). (b) \(\dfrac{84}{11}\).

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