題組內容
7. [Hint: if f '(t)=kf(t), then f(t)=
]
(d) Determine the path of steepest descent along the surface z=x2+y2 from the point (1, 2, 5).
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7. [Hint: if f '(t)=kf(t), then f(t)=]
(d) Determine the path of steepest descent along the surface z=x2+y2 from the point (1, 2, 5).