Question

Shown that

Answer 1

\[\lim_{\int\limits d\tau \to 0} \frac{\int\limits_S d\sigma\wedge V}{\int\limits d\tau} = \nabla\wedge V\]

Answer 2

where \[\wedge \] = X (cross section)

Answer 3

@UnkleRhaukus

Answer 4

picture?

Answer 5

number 1.10.6

Answer 6

too hard for me @nphuongsun93 , @sauravshakya