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HELP needed for Edexcel C4 integration

I am often confused on the which way should i use to integrate......any pointers on when to use the substitution, integration by parts or partial fraction???
Original post by tamamadesu
I am often confused on the which way should i use to integrate......any pointers on when to use the substitution, integration by parts or partial fraction???


If you have a rational function to integrate and the denominator factorises then you should always consider partial fractions.
If you are integrating something which can be written as the product of two functions, especially if differentiating one of them will simplify it then consider integration by parts. If you have a function involving a power of some function then think about a substitution. But learn as many standard patterns as you can
Reply 2
thanks:smile:

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