Find the directional derivative of the function f(x, y) = ln (x³ + y) at the point (-2, 2) in the direction of the vector < 2,1 >

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Q: Solve.   y′=2y−4​; y=5 when x=2   y= ​(Type an exact​ answer, using radicals as​ needed.)

A: The given differential equation is y'=2y-4 ; y=5 when x=2

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Q: Given: z = x² + xy³, x = uv² +w², y=u+ve" Find əz ди when u = 3, v = 1, w = 0

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