Integration by u Substitution

[@MoonLight-fs6gl]

The best video on this subject on youtube

[@kneadmo]

Thank you so much! I was able to follow everything and actually had fun answering the questions

[@alanclark4722]

If I pass my hnc maths its going to be down to your tuition. Thank you.

[@teamcori]

Thanks

[@maryamjaved3519]

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[@penesilvain5998]

thanks. it helped a lot