Find equations of (a) The tangent plane (b) The normal line to the given surface at the

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Find equations of 

(a) The tangent plane 

(b) The normal line to the given surface at the specified point.

x2 – 2y2 + z2 + yz = 2, (2, 1, –1)

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Related Book For  answer-question

Calculus

ISBN: 9780495011606

6th Edition

Authors: James Stewart

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