i don't know this problem..

r 3. Let v: 5333;? and consider the Closed surface S as shown below figure. {a} find '7 - '0 )find 55;; - 015' where 5: 5++5'+5++5 +5;++,5;' {c ) find V @031: where 'V' means the above cube. v {(1) from (b) and (C). Check the divergence theorem