Math, asked by kbh29122006, 4 months ago

If u= tan^_1 xy/square root of 1+x^2+y^2 then show that dul^2u/dulxduly

Answers

Answered by jigneshrana48

0

Step-by-step explanation:

gidjdgdjbgdjnd HD HD vhjndhdjdnjdnc dvdh gdhdjb xjxnxhd jdndbodnshd HD be jd vhf jd
d bj djdnd jd dhdjdknfjdkd d dudgdidndu. gdjdnhd is no.
xdhctdgvubutzrcbh vfhcehojvf. .nvjn
bknfgigfvjjnm.. jgk
ginvgbnm
thanks

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