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4.J kle defune the function h from B²-DR by hcx,y) = S Cosx - Cosy x-7 - Sun x a) is h continuous of x+y if xzy 02 R2 ? u = (a, b) 67 show that he admits in Co,o) a derovatuve following any vector h differentiable determine the sh (0,0) 07/10 in Color? If yes, ம.

4.J kle defune the function h from B²-DR by hcx,y) = S Cosx - Cosy x-7 - Sun x a) is h continuous of x+y if xzy 02 R2 ? u = (a, b) 67 show that he admits in Co,o) a derovatuve following any vector h differentiable determine the sh (0,0) 07/10 in Color? If yes, ம.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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4.J kle defune the function h from B²-DR by hcx,y) = S Cosx - Cosy x-7 - Sun x a) is h continuous of x+y if xzy 02 R2 ? u = (a, b) 67 show that he admits in Co,o) a derovatuve following any vector h differentiable determine the sh (0,0) 07/10 in Color? If yes, ம.
Transcribed Image Text:4.J kle defune the function h from B²-DR by hcx,y) = S Cosx - Cosy x-7 - Sun x a) is h continuous of x+y if xzy 02 R2 ? u = (a, b) 67 show that he admits in Co,o) a derovatuve following any vector h differentiable determine the sh (0,0) 07/10 in Color? If yes, ம.
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