integration by parts, DI method, VERY EASY

Why DI method works:
integral of x^2*sin(3x), @0:06
integral of x^4*ln(x), @5:34
integral of e^x*sin(x), @10:05



integral of e^x sinx, integral of x^2*sin(3x), integral of x^4*ln(x)
integration by parts,
DI method,

solution playlist page
Easiest way to set up the integration by parts,

DI method, all 3 stops, all 3 situations, with 3 typical examples, Tabular Integration,

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math for fun | 曹老師數學

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