integral of ln(sqrt(x+1)+sqrt(x)) by trig sub
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integral of sqrt(x^2+1), with Euler Substitution, math for fun
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¿Qué técnica de integración utilizo (cálculo)?
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Trig substitution integration: x=a*sinθ, calculus 2
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A Brilliant Limit
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integral of x^2/(xsin(x)+cos(x))^2
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The Easiest Integral on YouTube
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