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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Question Number 147356 by Mrsof last updated on 20/Jul/21 $$\frac{{d}}{{dn}}\left({n}!\right) \\ $$ Answered by puissant last updated on 20/Jul/21 $$\Gamma\left({n}\right)=\left({n}−\mathrm{1}\right)!=\int_{\mathrm{0}} ^{+\infty} {t}^{{n}−\mathrm{1}} {e}^{−{t}} {dt} \\…
Question Number 147357 by Jamshidbek last updated on 20/Jul/21 $$\:\:\mathrm{If}\:\:\mathrm{a}_{\mathrm{1}} =\mathrm{1}\:\:\mathrm{and}\:\mathrm{n}\geqslant\mathrm{1}\:\mathrm{a}_{\mathrm{n}+\mathrm{1}} =\frac{\mathrm{1}}{\mathrm{1}+\mathrm{n}\centerdot\mathrm{a}_{\mathrm{n}} } \\ $$$$\mathrm{find}\:\:\mathrm{a}_{\mathrm{n}} =? \\ $$ Answered by ArielVyny last updated on 20/Jul/21…
Question Number 147328 by Mrsof last updated on 19/Jul/21 Commented by Mrsof last updated on 19/Jul/21 $${whats}\:{the}\:{right}\:{answer} \\ $$ Answered by Olaf_Thorendsen last updated on…
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Question Number 147330 by Mrsof last updated on 19/Jul/21 Commented by Mrsof last updated on 19/Jul/21 $${choose}\:{the}\:{correct}\:{answer} \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 147320 by Gbenga last updated on 19/Jul/21 $$\mathrm{16}{x}+\mathrm{9}{y}=\mathrm{1} \\ $$$${find}\:{x}\:{and}\:{y} \\ $$ Answered by floor(10²Eta[1]) last updated on 20/Jul/21 $$\mathrm{if}\:\mathrm{x},\mathrm{y}\in\mathbb{Z}: \\ $$$$\mathrm{16x}+\mathrm{9y}=\mathrm{1} \\…