The question: Find My attempt: Let u = Find bounds in terms of u... Sub 1 into u: Sub 0 into u: However, the answer is 15/4. :/ What am I doing wrong? Thanks!
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What is the derivative of
Well there you have it. Do you not?
Not really, because you've solved the integral and I just proved it. I can't always make that leap like you did, which is why I tried the substitution method to help me. I'm still not sure what I've actually done wrong.
Originally Posted by Glitch The question: Find My attempt: Let u = <=== This is the derivative not the integral which should be Find bounds in terms of u... Sub 1 into u: Sub 0 into u: However, the answer is 15/4. :/ What am I doing wrong? Thanks! ...
Nevermind, I was finding the derivative of u^3 instead of the anti-derivative like an idiot. All solved. EDIT: Yeah, just realised earboth. Thanks.
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