Series of May/June 2013 past year questions: Part 2. This is a 12 marks question on integration and differentiation in Alevels P1 May/June 2013 9709/11 question no 10.
video
Fubini’s Theorem [Video]
In mathematical analysis Fubini’s theorem, named after Guido Fubini, is a result which gives conditions under which it is possible to compute a double integral using iterated integrals. As a consequence it allows the order of integration to be changed in iterated integrals….Wikipedia