Question Number 45776 by Sanjarbek last updated on 16/Oct/18 $$\boldsymbol{{y}}=\mid\boldsymbol{{f}}\left(\boldsymbol{{x}}\right)\mid \\ $$$$\boldsymbol{{y}}'−? \\ $$ Commented by maxmathsup by imad last updated on 16/Oct/18 $${for}\:{f}\left({x}\right)\neq\mathrm{0}\:{we}\:{have}\:\mid{f}\left({x}\right)\mid=\sqrt{{f}^{\mathrm{2}} \left({x}\right)}\:\Rightarrow\frac{{d}}{{dx}}\left(\mid{f}\left({x}\right)\mid\right)=\frac{\mathrm{2}{f}\left({x}\right){f}^{'}…
Question Number 176806 by Brahimmekkaoui last updated on 26/Sep/22 $$\underset{{k}=\mathrm{0}} {\overset{\mathrm{2}{n}} {\sum}}{cos}^{\mathrm{2}{n}} \left(\theta+\frac{{k}\pi}{\mathrm{2}{n}}\right) \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 176768 by Ml last updated on 26/Sep/22 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 176765 by Ml last updated on 26/Sep/22 Commented by Ml last updated on 26/Sep/22 $$\mathrm{please} \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 176766 by Ml last updated on 26/Sep/22 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 176767 by Ml last updated on 26/Sep/22 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 176764 by Ml last updated on 26/Sep/22 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 111216 by mohammad17 last updated on 02/Sep/20 Commented by Dwaipayan Shikari last updated on 02/Sep/20 $${x}^{{y}} ={e}^{{tan}^{−\mathrm{1}} {y}} \\ $$$${ylogx}={tan}^{−\mathrm{1}} {y} \\ $$$$\frac{{dy}}{{dx}}{logx}+\frac{{y}}{{x}}=\frac{\mathrm{1}}{\mathrm{1}+{y}^{\mathrm{2}}…
Question Number 111209 by mathdave last updated on 02/Sep/20 $${find}\:{the}\:{ODEs}\:{of}\: \\ $$$${y}={Ae}^{{x}} +{Bxe}^{{x}} +{Ce}^{−\mathrm{2}{x}} +{De}^{\mathrm{3}{x}} \\ $$ Commented by mohammad17 last updated on 02/Sep/20 $${can}\:{you}\:{solve}…
Question Number 111206 by mohammad17 last updated on 02/Sep/20 $$\int\:\frac{{dx}}{{x}^{\mathrm{3}} +\mathrm{3}{x}−\mathrm{5}} \\ $$ Answered by Sarah85 last updated on 02/Sep/20 $$\mathrm{we}\:\mathrm{had}\:\mathrm{this}\:\mathrm{before} \\ $$$$\mathrm{if}\:\mathrm{we}\:\mathrm{cannot}\:\mathrm{find}\:“\mathrm{nice}''\:\mathrm{factors}\:\mathrm{of}\:\mathrm{the} \\ $$$$\mathrm{denominator}\:\mathrm{it}'\mathrm{s}\:\mathrm{getting}\:\mathrm{complicated}…