计算下列对坐标的曲线积分:

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计算下列对坐标的曲线积分:

热搜:应力应变曲线的纵横坐标分别为

答案解析

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  • latex.action?latex=XGludCBfTF57fSh4XjIteV4yKWR4PVxpbnQgXzBeMih4XjIteF40KWR4
       latex.action?latex=PVxsZWZ0WyBcZnJhY3sxfXszfXheMy1cZnJhY3sxfXs1fXheNSBccmlnaHRdXzBeMj0tXGZyYWN7%0D%0ANTZ9ezE1fQ%3D%3D$圆弧:x=2acos2θ,y=2acosθsinθ,θ:latex.action?latex=MFx0byBcZnJhY3tccGkgfXsyfQ%3D%3D
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       latex.action?latex=PS0xNmFeM1xsZWZ0KCBcZnJhY3szXGNkb3QgMX17NFxjZG90IDJ9XGZyYWN7XHBpIH17Mn0tXGZy%0D%0AYWN7NVxjZG90IDNcY2RvdCAxfXs2XGNkb3QgNFxjZG90IDJ9XGZyYWN7XHBpIH17Mn0gXHJpZ2h0%0D%0AKT0tXGZyYWN7MX17Mn1ccGkgYV4z$latex.action?latex=XGludCBfTF57fXlkeCt4ZHk9XGludCBfMF57XGZyYWN7XHBpIH17Mn19W1JzaW50KC1Sc2ludCkr%0D%0AUmNvc3RcY2RvdCBSY29zdF1kdD1SXjJcaW50IF8wXntcZnJhY3tccGkgfXsyfX1jb3MydGR0PTA%3D$L:x=acosθ,y=asinθ,θ:0→2π.
       latex.action?latex=XG9pbnQgX0xee31cZnJhY3soeCt5KWR4LSh4LXkpZHl9e3heMit5XjJ9PVxpbnQgXzBeezJccGkg%0D%0AfVxmcmFjezF9e2FeMn1bYShjb3NcdGhldGEgK3Npblx0aGV0YSApKC1hc2luXHRoZXRhICktYShj%0D%0Ab3NcdGhldGEgLXNpblx0aGV0YSApYWNvc1x0aGV0YSBdZFx0aGV0YSA%3D
       latex.action?latex=PS1caW50IF8wXnsyXHBpIH0xXGNkb3QgZHQ9LTJccGkg$latex.action?latex=XGludCBfTF57fXheMmR4K3pkeS15ZHo9XGludCBfMF57XHBpIH1ba14zXHRoZXRhIF4yK2FzaW5c%0D%0AdGhldGEgKC1hc2luXHRoZXRhICktYWNvc1x0aGV0YSBcY2RvdCBhY29zXHRoZXRhIF1kXHRoZXRh%0D%0AIA%3D%3D
       latex.action?latex=PVxpbnQgXzBee1xwaSB9KGteM1x0aGV0YSBeMi1hXjIpZFx0aGV0YSA9XGxlZnRbIFxmcmFje2te%0D%0AM317M31cdGhldGEgXjMtYV4yXHRoZXRhICBccmlnaHRdXzBee1xwaSB9PVxmcmFjezF9ezN9a14z%0D%0AXHBpIF4zLWFeMlxwaSA%3D$直线的方向l=(1,2,3),参数方程x=1+t,y=1+2t,z=1+3t,t:0→1.
       latex.action?latex=XGludCBfe1xHYW1tYSB9Xnt9eGR4K3lkeSsoeCt5LTEpZHo9XGludCBfMF4xWygxK3QpKygxKzJ0%0D%0AKVxjZG90IDIrKDErdCsxKzJ0LTEpXGNkb3QgM11kdA%3D%3D
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