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Question Number 134599 by mohammad17 last updated on 05/Mar/21 Answered by Olaf last updated on 05/Mar/21 $$\left.{a}\right) \\ $$$$\int_{\mathrm{C}} \mid{z}\mid^{\mathrm{2}} {dz}\:=\:\int_{\mathrm{0}} ^{\sqrt{\mathrm{2}}} \mid{re}^{{i}\frac{\pi}{\mathrm{4}}} \mid^{\mathrm{2}} {dr}\:=\:\left[\frac{{r}^{\mathrm{3}}…

Question Number 3517 by Tinku Tara last updated on 14/Dec/15 $$\mathrm{App}\:\mathrm{has}\:\mathrm{been}\:\mathrm{updated}\:\mathrm{today}\:\mathrm{to}\:\mathrm{fix} \\ $$$$\mathrm{intermittent}\:\mathrm{scrolling}\:\mathrm{problem}\:\mathrm{while} \\ $$$$\mathrm{answering}\:\mathrm{or}\:\mathrm{commenting}. \\ $$$$\mathrm{Filup},\:\mathrm{please}\:\mathrm{let}\:\mathrm{us}\:\mathrm{know}\:\mathrm{if}\:\mathrm{this}\:\mathrm{addresses} \\ $$$$\mathrm{your}\:\mathrm{concerns}. \\ $$ Commented by Filup last…

Question Number 134567 by LUFFY last updated on 05/Mar/21 $${how}\:{to}\:{export}\:{image}\:{without}\:{watermark} \\ $$ Commented by mr W last updated on 05/Mar/21 $${pay}\:{a}\:{small}\:{fee}\:{and}\:{become}\:{a} \\ $$$${premium}\:{user}! \\ $$…

Question Number 134526 by mohammad17 last updated on 04/Mar/21 Answered by mr W last updated on 05/Mar/21 $$\frac{\mathrm{1}}{\mathrm{1}+{x}}=\mathrm{1}−{x}+{x}^{\mathrm{2}} −{x}^{\mathrm{3}} +… \\ $$$$\int\frac{\mathrm{1}}{\mathrm{1}+{x}}{dx}=\int\left(\mathrm{1}−{x}+{x}^{\mathrm{2}} −{x}^{\mathrm{3}} +…\right){dx} \\…

Question Number 134523 by mohammad17 last updated on 04/Mar/21 $${let}\:{a},{b}\:{be}\:{any}\:{two}\:{elements}\:{in}\:{group}\:{G} \\ $$$${such}\:{that}\:\mid{a}\mid=\mathrm{4}\:,\mid{b}\mid=\mathrm{2}\:{and}\:{a}^{\mathrm{3}} {b}={ab} \\ $$$${find}\:\mid{ab}\mid\:? \\ $$$${help}\:{me}\:{sir}\:{please} \\ $$ Commented by kaivan.ahmadi last updated on…