? Exercise 4.2.5 For y=x²+2x, find Ay and dy at z = 3 if dx = 0.2. Hint dy = f'(3) dx, Ay=f(3.2) - f(3) Answer dy=1.6, Ay=1.64

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Solenoidal Vector Field

In Physics and Mathematics vector calculus attached to each point in a subset of space, there is an assignment of a vector in a field called a vector field.