• 2022-06-04
    若 [tex=0.714x1.286]LA74ioWWkXdGbHCtFk/Sog==[/tex] 是平面 [tex=7.5x1.286]yEUlP7Orc5BSyUT2SL+dbT24yV3bKcoEYBA+dc2mCNtLGanudKCZuLGKvL790g5k[/tex][tex=6.143x1.286]GyWhCNb8ggePukUm5pM5HJnJ2m30sAmufFCf+dD8HCE=[/tex] 上的闭曲线,它所包围区域的面积为 [tex=0.714x1.286]yQZEV57S9rHjYvgfJydTyg==[/tex],求[tex=11.357x3.929]tb83dmj5/J9S51nqN4jBEdl8880j1nY0pA0daDgh0JaE0qJ3Ygs+G1sEfkFKwT8Wp8Lw9udjaZDmU6p0NK7v2paHWXGRe6TGJywto3t2+LHkRdOgAmUvdAqlus7usp4D0dyZ52PRxXeI8Ed2FU4AOzZxpTV0lRqePIXsd2KB0x+xmr+sSg+foXPrwUgfj5yl[/tex]其中 [tex=0.714x1.286]LA74ioWWkXdGbHCtFk/Sog==[/tex] 依正向进行.