Find the divergence and the curl of the following vector fields (you may find the rules of differentiation inthe module notes helpful). (¹x¹) = A \text { o } \nabla \cdot v= \text { o } \nabla \times y= \text { ii. } \mathbf{u}=\left(z^{2}+1\right)(y z, x y, x z) \text { o } \nabla \cdot \mathbf{u}= 0 \nabla \times \mathbf{u}=

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