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I solved this but my answer differs from the correct answer in my solution manual
integral (x-1)^2
I expanded the integrand and got x^2-2x+1 so I separated the integral into three for each term and got the different answer.
The correct answer says (x-1)^3/3
Why didnt my method work?
If you have correctly done what you say you've done then your answer will factorise into the given answer.Quote:
Originally Posted by swimmergirl
Note: $\displaystyle \int \! (ax + b)^n \, dx = \frac{1}{a} \cdot \frac{1}{(n+1)} (ax + b)^{n+1} + C$ provided $\displaystyle n \neq -1$.
