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Question Number 147417 by tabata last updated on 20/Jul/21 $${how}\:{can}\:{find}\:{taylor}\:{series}\:{of}\:{f}\left({z}\right)={cot}\left({z}\right)\:{when}\:{z}=\mathrm{5}\pi \\ $$ Answered by mathmax by abdo last updated on 21/Jul/21 $$\mathrm{f}\left(\mathrm{z}\right)=\sum_{\mathrm{n}=\mathrm{0}} ^{\infty} \:\frac{\mathrm{f}^{\left(\mathrm{n}\right)} \left(\mathrm{5}\pi\right)}{\mathrm{n}!}\left(\mathrm{z}−\mathrm{5}\pi\right)^{\mathrm{n}}…
Question Number 147419 by Kunal12588 last updated on 20/Jul/21 $${How}\:{can}\:{we}\:{apply}\:{Cardano}'{s}\:{method}\:{in} \\ $$$$\mathrm{2}{x}^{\mathrm{3}} +\mathrm{5}{x}^{\mathrm{2}} +{x}+\mathrm{2} \\ $$$$ \\ $$$${i}\:{get}\:{u}\:{and}\:{v}\:{are}\:{solution}\:{of}\:{t}^{\mathrm{2}} −\mathrm{56}{t}+\mathrm{6859}=\mathrm{0} \\ $$$${but}\:{i}\:{think}\:{it}'{s}\:{wrong}\:{pls}\:{help} \\ $$ Answered by…
Question Number 147404 by tabata last updated on 20/Jul/21 $${find}\:{taylor}\:{series}\:{of}\:{f}\left({z}\right)={cotz}\:,{z}=\mathrm{5}\pi \\ $$ Commented by Mrsof last updated on 20/Jul/21 $$????? \\ $$ Answered by mathmax…
Question Number 147405 by tabata last updated on 20/Jul/21 $${detirmine}\:{the}\:{residues}\:{f}\left({z}\right)=\frac{{cosz}}{{z}^{\mathrm{2}} \left({z}−\pi\right)^{\mathrm{3}} } \\ $$ Commented by Mrsof last updated on 20/Jul/21 $$??? \\ $$ Answered…
Question Number 147406 by tabata last updated on 20/Jul/21 $${find}\:\int_{{C}} \frac{{z}+\mathrm{2}}{{sin}\left(\frac{{z}}{\mathrm{2}}\right)}{dz}\:\:\:,\mid{z}\mid=\mathrm{3}\pi \\ $$ Answered by Olaf_Thorendsen last updated on 20/Jul/21 $$\Omega\:=\:\int_{\mid{z}\mid=\mathrm{3}\pi} \frac{{z}+\mathrm{2}}{\mathrm{sin}\left(\frac{{z}}{\mathrm{2}}\right)}\:{dz} \\ $$$$\Omega\:=\:\int_{\mid{z}\mid=\mathrm{3}\pi} \frac{{z}+\mathrm{2}}{{z}}×\frac{{z}}{\mathrm{sin}\left(\frac{{z}}{\mathrm{2}}\right)}\:{dz}…
Question Number 147397 by henderson last updated on 20/Jul/21 $$\boldsymbol{\mathrm{hmmmm}}\:! \\ $$$$\mathrm{11}×\mathrm{11}=\mathrm{4} \\ $$$$\mathrm{22}×\mathrm{22}=\mathrm{16} \\ $$$$\mathrm{33}×\mathrm{33}=? \\ $$ Answered by puissant last updated on 20/Jul/21…
Question Number 81857 by naka3546 last updated on 16/Feb/20 Commented by jagoll last updated on 16/Feb/20 $${zero}\:=\:\mathrm{0} \\ $$ Commented by john santu last updated…
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