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I am looking for the solution for 2.2 2.3 2.5 and 2.1
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Explanation & Answer
here are two more question solutions.
Q2.3
Let us compute all of the directional derivatives at (x,y)=(0,0) . Let v (a, b) .
We have,
ta (tb) 2
0
f (o tv ) f ( 0)
ab 2
(ta) 2 (tb) 2
Dv f Limit t 0
Limit t 0
Limit t 0 ...