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## anonymous 4 years ago multiplication rule for integration general form?

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1. ash2326

It's known as integration by parts I'll explain you

2. anonymous

ok thanks ash its just i forgot it

3. ash2326

Let u and v be two functions. we need to find the integral of $\int uv$ let u be a function which is easily integrable so, the integration of uv is $\int uv= v\int u-\int (dv \int u)$ where dv is the derivative of v. Do you understand till here?

4. anonymous

yap just wanted the formula thanks ash. oh and if we have x^2e then which will be u and which will v???

5. ash2326

e^x is easily integrable, so it'll be u v= x^2 you will have to use this formula twice:)

6. anonymous

ok thank you so much ash :)

7. ash2326

welcome :D

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