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设z=f(x,y)且x=t+sint,y=t^2,f(x,y)可微,则dz/dt设z=f(x,y)且x=t+sint,y=t^2,f(x,y)可微,求dz/dt
题目详情
设z=f(x,y)且x=t+sint,y=t^2,f(x,y)可微,则dz/dt
设z=f(x,y)且x=t+sint,y=t^2,f(x,y)可微,求dz/dt
设z=f(x,y)且x=t+sint,y=t^2,f(x,y)可微,求dz/dt
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答案和解析
f对x的倒数乘以(1+cost)加上f对y的倒数乘以2t
f对x的倒数乘以(1+cost)加上f对y的倒数乘以2t
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