<Li> Summand limit (term test) </Li> <Tr> <Td> Vector (show) <Table> <Tr> <Td> <Ul> <Li> Gradient </Li> <Li> Divergence </Li> <Li> Curl </Li> <Li> Laplacian </Li> <Li> Directional derivative </Li> <Li> Identities </Li> </Ul> </Td> </Tr> <Tr> <Th> Theorems </Th> </Tr> <Tr> <Td> <Ul> <Li> Divergence </Li> <Li> Gradient </Li> <Li> Green's </Li> <Li> Kelvin--Stokes </Li> <Li> Stokes </Li> </Ul> </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> <Ul> <Li> Gradient </Li> <Li> Divergence </Li> <Li> Curl </Li> <Li> Laplacian </Li> <Li> Directional derivative </Li> <Li> Identities </Li> </Ul> </Td> </Tr> <Tr> <Th> Theorems </Th> </Tr> <Tr> <Td> <Ul> <Li> Divergence </Li> <Li> Gradient </Li> <Li> Green's </Li> <Li> Kelvin--Stokes </Li> <Li> Stokes </Li> </Ul> </Td> </Tr> </Table> <Tr> <Td> <Ul> <Li> Gradient </Li> <Li> Divergence </Li> <Li> Curl </Li> <Li> Laplacian </Li> <Li> Directional derivative </Li> <Li> Identities </Li> </Ul> </Td> </Tr>

Explain why it is sometimes an advantage to change the order of integration