作者admini (我是小ｐ阿~~)
看板trans_math
标题[积分] 请问这题怎麽求???
时间Tue Jun 21 21:51:28 2005
find the equations of the tangent plane and the normal line
to the surface sin(xyz) = x + 2y + 3z at the point (2,-1,0)
请问这题怎麽求???用lagrange multiplier求解吗??
还是用其他方法??请帮帮我...><"....算的一个头两个大...
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