Question

I-
xty
v
+
Iff(x, y) = log (x2 + y2) + tan-1
2²f d²f
then prove that
= 0 or for + f = 0.
6x² au?
|JNTU 1999, 2003s (Set No. 1)]
Ox​

Answer 1

Answer:

your answer is Ox+6²=6Ox2= 120x

Step-by-step explanation:

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Answer 2

Answer:

ye kya h

Step-by-step explanation:

bhai question samajh me ayanhi