
Re: [微積] 一題green定理

: 求好心人幫忙
: 向量場的切線斜率是Vt不會算一直卡住
應該要標明C的方向
∫(-(sin(t))^3, (cos(t))^3) * (-sin(t), cos(t)) dt
= ∫-(sin(t))^4 + (cos(t))^4 dt
2π
= ∫cos(2t) dt
0
= 0
其實用定理就一步得到0了
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