Arc tangent antiderivative after completing the square
Arc tangent antiderivative after completing the square
IB Year 6 | Grade 12
5 marks
Find \(\displaystyle\int\frac1{x^2+4x+8}\,\mathrm dx\).[5]
Solution:
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Answer:\(\frac12\arctan\!\left(\frac{x+2}{2}\right)+C\)
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