13. If u = x2 tan-1 (y/x) - y2 tan-1(x/y), evaluate
a²u
+ 2xy +
2 дхду
+2
дх
Answers
Answered by
0
Answer:
so much hard I also doing the sum
Similar questions
Math,
1 month ago
Computer Science,
1 month ago
Science,
3 months ago
Math,
3 months ago
Math,
10 months ago