-
Congratulations to the Class of 2024 on your results!
Let us know how you went here
Got a question about your uni preferences? Ask us here
-
O
No, you can't take either one. You can try it out with a random definite integral; only one will give the correct answer.
-
O
Suppose my substitution was x = u^2 -1
When changing bounds, do I take u = +- sqrt(x+1) ? Explain why.
-