Kelvin Kaung's answer to Chrishelly Shel's Junior College 2 H1 Maths question.
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Sub with U = √(x-5). You can do it! Look at the working at the side for more detail.
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Date Posted:
7 years ago
I think you missed out something: it should be du= dx/ 2√(x+5), instead of du= dx/ √(x+5) as written. The final answer will hence be twice of that written.