Question Number 10241 by FilupSmith last updated on 31/Jan/17 $$\int_{{a}} ^{\:{a}+\delta} \frac{\mathrm{sin}\left({x}\right)}{\mathrm{cos}\left({x}+\delta\right)}{dx}\:=\:??? \\ $$ Commented by prakash jain last updated on 31/Jan/17 $$\frac{\mathrm{sin}\left({x}\right)}{\mathrm{cos}\left({x}+\delta\right)}=\frac{\mathrm{sin}\left({x}+\delta−\delta\right)}{\mathrm{cos}\left({x}+\delta\right)} \\ $$$$=\frac{\mathrm{sin}\:\left({x}+\delta\right)\mathrm{cos}\:\delta−\mathrm{cos}\:\left({x}+\delta\right)\mathrm{sin}\:\delta}{\mathrm{cos}\:\left({x}+\delta\right)}…
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Question Number 75773 by Ajao yinka last updated on 16/Dec/19 Answered by mind is power last updated on 16/Dec/19 $$\mathrm{log}\left(\mathrm{1}+\mathrm{e}^{\mathrm{x}} \right)=\mathrm{x}+\mathrm{log}\left(\mathrm{1}+\mathrm{e}^{−\mathrm{x}} \right) \\ $$$$=\int_{\mathrm{0}} ^{+\infty}…
Question Number 75770 by Ajao yinka last updated on 16/Dec/19 Commented by ~blr237~ last updated on 17/Dec/19 $$\mathrm{A}=\int_{\mathrm{0}} ^{\infty} \frac{\mathrm{dx}}{\mathrm{e}^{\mathrm{x}} \sqrt{\mathrm{sinh2x}}}\:=\sqrt{\mathrm{2}}\int_{\mathrm{0}} ^{\infty} \frac{\mathrm{e}^{−\mathrm{x}} \mathrm{dx}}{\:\sqrt{\mathrm{e}^{\mathrm{2x}} −\mathrm{e}^{−\mathrm{2x}}…
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Question Number 75768 by Ajao yinka last updated on 16/Dec/19 Answered by mind is power last updated on 17/Dec/19 $$\mathrm{not}\:\mathrm{Clear}\:\mathrm{sir} \\ $$ Commented by Ajao…
Question Number 75750 by rajesh4661kumar@gmail.com last updated on 16/Dec/19 Commented by MJS last updated on 16/Dec/19 $$\mathrm{this}\:\mathrm{cannot}\:\mathrm{be}\:\mathrm{solved}\:\mathrm{using}\:\mathrm{elementary} \\ $$$$\mathrm{calculus} \\ $$$$\mathrm{a}\:\mathrm{solution}\:\mathrm{was}\:\mathrm{posted}\:\mathrm{on}\:\mathrm{this}\:\mathrm{forum}\:\mathrm{some} \\ $$$$\mathrm{time}\:\mathrm{ago} \\ $$…
Question Number 75742 by Gazella thomsonii last updated on 16/Dec/19 $$\mathrm{plz}\:\mathrm{solve}\:\mathrm{this}\:\mathrm{my}\:\mathrm{handsome}\:\mathrm{guys}\:\mathrm{and}\:\mathrm{sisters}… \\ $$$$\mathrm{complex}\:\mathrm{integral}\:\int_{−\infty} ^{+\infty} \:\frac{{e}^{\boldsymbol{{i}}{t}} }{\:\sqrt{\mathrm{1}+{t}^{\mathrm{2}} }}\mathrm{d}{t} \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 10204 by gogel last updated on 30/Jan/17 $${x}^{\mathrm{2}} {p}^{\mathrm{2}} +{xyp}−\mathrm{6}{y}^{\mathrm{2}} =\mathrm{0} \\ $$ Answered by FilupSmith last updated on 30/Jan/17 $$\mathrm{solve}\:\mathrm{for}\:{x}: \\ $$$$\:…
Question Number 75734 by mathmax by abdo last updated on 16/Dec/19 $${calculate}\:{f}\left({x}\right)=\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{4}}} {ln}\left(\mathrm{1}+{xtan}\theta\right){d}\theta\:\:{with}\:{x}\:>\mathrm{0} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com