![calculus - Show that $z = \ln (x^2+y^2) +2\tan^{-1}(y/x)$ satisfies the laplaces's equation. - Mathematics Stack Exchange calculus - Show that $z = \ln (x^2+y^2) +2\tan^{-1}(y/x)$ satisfies the laplaces's equation. - Mathematics Stack Exchange](https://i.stack.imgur.com/rdus3.jpg)
calculus - Show that $z = \ln (x^2+y^2) +2\tan^{-1}(y/x)$ satisfies the laplaces's equation. - Mathematics Stack Exchange
![The domain of the function f(x)=x/(sqrt(sin(lnx)-cos(lnx))),(n in Z) is (a)(e^(2npi),e^((3n+1/2)pi)) (b) (e^((2n+1/4)pi),e^((2n+5/4)pi)) (e^((2n+1/4)pi),e^((2n-3/4)pi)) (d) none of these The domain of the function f(x)=x/(sqrt(sin(lnx)-cos(lnx))),(n in Z) is (a)(e^(2npi),e^((3n+1/2)pi)) (b) (e^((2n+1/4)pi),e^((2n+5/4)pi)) (e^((2n+1/4)pi),e^((2n-3/4)pi)) (d) none of these](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/27707_web.png)
The domain of the function f(x)=x/(sqrt(sin(lnx)-cos(lnx))),(n in Z) is (a)(e^(2npi),e^((3n+1/2)pi)) (b) (e^((2n+1/4)pi),e^((2n+5/4)pi)) (e^((2n+1/4)pi),e^((2n-3/4)pi)) (d) none of these
![POWSZECHNY ROK TRZYDZIESTY CZWARTY. TOM CXXXV." KRAKÓW. DRUK EUGENIUSZA i Dra KAZIMIERZA T - PDF Free Download POWSZECHNY ROK TRZYDZIESTY CZWARTY. TOM CXXXV." KRAKÓW. DRUK EUGENIUSZA i Dra KAZIMIERZA T - PDF Free Download](https://docplayer.pl/docs-images/59/42875314/images/77-0.png)
POWSZECHNY ROK TRZYDZIESTY CZWARTY. TOM CXXXV." KRAKÓW. DRUK EUGENIUSZA i Dra KAZIMIERZA T - PDF Free Download
![If `x^[ln[y/z]].y^[ln[xz]^2].z^[ln[x/y]]=y^[4lny]` for any x gt1,y gt1 and z gt1, then which on... - YouTube If `x^[ln[y/z]].y^[ln[xz]^2].z^[ln[x/y]]=y^[4lny]` for any x gt1,y gt1 and z gt1, then which on... - YouTube](https://i.ytimg.com/vi/SvSbojF46H4/maxresdefault.jpg)