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  1. E

    Green's Theorem

    Its actually quite easy, without any vector calculus needed. (f*gx)x= fx*gx + f*gxx if you sum these up for y and z derivatives, you will get Div[f*del(g)] = del(f) dot del(g) + f*del^2(g) integrate both sides and use divergence theorem. I apologize for having to write div for...