calculus: multivariable

Find the points on the hyperboloid x2 −y2 +2z2 = 1 where the normal line is parallel to the line that joins the points (3,−1, 0) and (5, 3, 6).

Please show me how to do it..the answer is [+- rad 6/(3), +- 2rad 6/(3), +- rad6/(3)]

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asked by sara

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