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If V=x^(2)y+y^(2)z then find vec(E) at (...

If `V=x^(2)y+y^(2)z` then find `vec(E)` at (x, y, z)

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Given `V=x^(2)y+y^(2)z` and `vec(E)=- (del v)/(del r)`
`vec(E)=-[(delV)/(delx) hat(i)+(delV)/(dely) hat(j)+(delV)/(delz) hat(k)]" "implies" "vec(E)=-[2xy hat(i)+ (x^(2)+2yz) hat(j)+y^(2) hat(k)]`
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