Let the function f(u,v) have continuous partial derivatives of the 2nd order, and xxx , - 道道学堂问答

Let the function f(u,v) have continuous partial derivatives of the 2nd order, and xxx ,

匿名用户最后更新于 2021-10-04 18:01 数学类Mathematics

Let the function f(u,) have continuous partial derivatives of the 2nd order, and y =(e", cos x), to calculate dyl dy dx= dxx=0

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