Recent activity by chstk8568 - Math Homework Answers

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With respect to right-handed coordinates, let v = [y + z; z + x; x + y] and g = xyz, find curl (gv).

asked Apr 10, 2017 in Calculus Answers | 1.6k views

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Let v = [−y, x, pi] be the velocity vector of a steady fluid flow. Is the flow irrotational? Incompressible?

asked Apr 10, 2017 in Calculus Answers | 3.2k views

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Find the divergence of v = [2x^2,−3y^2, 8z^2] and its value at P : (3, 1/2 , 0).

asked Apr 10, 2017 in Calculus Answers | 1.2k views

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Find a potential f for the vector function v = [ye^x, e^x, z^2].

asked Apr 10, 2017 in Calculus Answers | 897 views

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Find the directional derivative of f(x; y; z) = 1/(√ x^2+y^2+z^2) at P : (3; 0; 4) in the direction of a = [1; 1; 1].

asked Apr 10, 2017 in Calculus Answers | 1.5k views

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Find a normal vector of the curve 6x^2+2y^2+z^2 = 225 at the given point P : (5; 5; 5).

asked Apr 10, 2017 in Calculus Answers | 1.6k views

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The force in an electrostatic field given by f(x, y, z) = 2x^2 + 4y^2 + 9z^2 has the direction of the gradient. Find ∇f and its value at P : (−1; 2;−4).

asked Apr 10, 2017 in Calculus Answers | 1.5k views

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