(i) Evaluate the limit or show that it does not exist.2xylim(x,y) →(0,0) x² + 2y²дz(ii) If cos(xyz) = 1 + x²y² + z², find 3ž andду

Firstly we can find Limits and In second one we can find partial derivatives .

Answered: (i) Evaluate the limit or show that it…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter9: Systems Of Equations And Inequalities

Section: Chapter Questions

Problem 12T

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(i) Evaluate the limit or show that it does not exist. 2xy lim (x,y) (0,0) x2 + 2y² (ii) If cos(xyz) = 1 + x²y² + z², find 32 and 3. dy