(a) Find a set of symmetric equations for the tangent line to the curve of intersection of...
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(a) Find a set of symmetric equations for the tangent line to the curve of intersection of the surfaces at the given point
(b) Find the cosine of the angle between the gradient vectors at this point. State whether the surfaces are orthogonal at the point of intersection.
z = √x² + y², 5x - 2y + 3z = 22, (3, 4, 5)
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