Question: {d} Prove that t? q?-V-' v. _ = (l) a for anv smooth {differentiable} vector field {i and scalar field ti}. [5 marks] to} The

${d} Prove that t? q?-V-' v. _ = (l) a for$

{d} Prove that t? q?-V-' v. _ = (l) a for anv smooth {differentiable} vector field {i and scalar field ti}. [5 marks] to} The components of a velocity field are given by calculate the streamline, the pathne and the atreakline which passes through the point {1, 1]: at t =1. [11] marks]

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