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2 01, 2017

Integration By Parts

By |2017-02-07T17:01:45+10:00January 2nd, 2017|Tags: , , |0 Comments

Integration By Parts $$\int f(x).g'(x)\,dx=f(x).g(x)-\int f'(x).g(x)\, dx$$ worked examples Find $$\int{\ln x\,dx}$$. $$=\int{1.\ln x\,dx}$$ rewrite as $$\int{\ln x\,dx} $$ let f(x) = ln x    g'(x) = 1 select f(x) = ln x and g'(x) = 1 when selecting which part to make f(x) and which part to make g'(x), [...]

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