In problems, use the method of completing the square, along with a trigonometric substitution if needed, to
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(a) ∫ dx/√(x2 + 2x + 5)
(b) ∫ dx/√(x2 + 4x + 5)
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a x tan t dx sec 2 t dt 2 tan t sect dt sect d...View the full answer
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