4x + 4y + 4z . lim y,z) (0,0,0) 9x2 + 36y² + 4z²

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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**Evaluate the limit or show that the limit does not exist.**

(Use symbolic notation and fractions where needed. Enter DNE if the limit does not exist.)
\[ \lim_{(x,y,z) \to (0,0,0)}\frac{4x + 4y + 4z}{9x^2 + 36y^2 + 4z^2} = \]
Transcribed Image Text:**Evaluate the limit or show that the limit does not exist.** (Use symbolic notation and fractions where needed. Enter DNE if the limit does not exist.) \[ \lim_{(x,y,z) \to (0,0,0)}\frac{4x + 4y + 4z}{9x^2 + 36y^2 + 4z^2} = \]
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