If u = [u₁,0,0], (a) (curlv)×ŵ=? v = [v₁, V₂,0], (b) (Ỹ·ū)ŵ=? ŵ=[w₁,W₂, W3], ƒ is a scalar field, calculate the following expressions? (c) (ū×gradf)×ỷ= ?|

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