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If z=(x+4y)ex+y,x=ln(u),y=v,z=(x+4y)ex+y,x=ln(u),y=v, find ∂z∂u∂z∂u and ∂z∂v∂z∂v. The variables are restricted to domains on which the functions...

If z=(x+4y)ex+y,x=ln(u),y=v,z=(x+4y)ex+y,x=ln(u),y=v, find ∂z∂u∂z∂u and ∂z∂v∂z∂v. The variables are restricted to domains on which the functions are defined.

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y''+5y'+4y=x+ex
y''+5y'+4y=x+ex
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