Question Number 89530 by mathocean1 last updated on 17/Apr/20 $$\mathrm{F}\:\mathrm{which}\:\mathrm{is}\:\:\mathrm{the}\:\mathrm{set}\:\mathrm{of}\:\mathrm{funtions}\:\mathrm{from}\:\mathbb{R}\:\mathrm{to}\:\mathbb{R}\: \\ $$$$\mathrm{is}\:\mathrm{a}\:\mathrm{vectorial}\:\mathrm{space}\:\mathrm{and}\:\mathrm{G}\left(\mathrm{a}\:\mathrm{part}\:\mathrm{of}\:\mathrm{F}\right)\:\mathrm{is} \\ $$$$\mathrm{the}\:\mathrm{set}\:\mathrm{of}\:\mathrm{odd}\:\mathrm{functions}\:\mathrm{such}\:\mathrm{as} \\ $$$$\mathrm{G}=\left\{\:{f}\:\in\:\mathrm{F}/\forall\:\mathrm{x}\in\:\mathbb{R},\:{f}\left({x}\right)=−{f}\left(−{x}\right)\right\} \\ $$$$\left.\mathrm{1}\right)\:{S}\mathrm{how}\:\mathrm{that}\:\mathrm{G}\:\mathrm{is}\:\mathrm{sub}\:\mathrm{vector}\:\mathrm{space}\:\mathrm{of}\:\mathrm{F} \\ $$$$\mathrm{in}\:\mathbb{R}. \\ $$ Commented by arcana…
Question Number 89513 by mr W last updated on 17/Apr/20 $${i}\:{open}\:{this}\:{test}\:{post}\:{to}\:{see}\:{if}\:{i}\:{can} \\ $$$${edit}\:{or}\:{delete}\:{it}\:{later}. \\ $$ Commented by mr W last updated on 17/Apr/20 $${thank}\:{you}\:{sir}! \\…
Question Number 23957 by ANTARES_VY last updated on 10/Nov/17 $$\int\frac{\boldsymbol{\mathrm{sinx}}−\mathrm{2}\boldsymbol{\mathrm{cosx}}}{\mathrm{1}+\mathrm{2}\boldsymbol{\mathrm{sin}}\mathrm{2}\boldsymbol{\mathrm{x}}}\boldsymbol{\mathrm{dx}} \\ $$$$\boldsymbol{\mathrm{solves}} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 89482 by mr W last updated on 18/Apr/20 $${URGENT}\:! \\ $$$${to}\:{TINKUTARA}\:{developers}: \\ $$$${because}\:{i}\:{didn}'{t}\:{get}\:{notification},\:{i} \\ $$$${have}\:{updated}\:{the}\:{app}.\:{but}\:{since}\:{the} \\ $$$${update},\:{i}\:{can}'{t}\:{either}\:{edit}\:{my}\:{own} \\ $$$${posts}\:{or}\:{delete}\:{them}. \\ $$$${i}\:{am}\:{using}\:{a}\:{Huawei}\:{P}\mathrm{20},\:{Android}\:\mathrm{9}. \\ $$…
Question Number 155017 by SANOGO last updated on 24/Sep/21 $$\int_{\mathrm{0}} ^{\frac{\mathrm{3}}{\mathrm{2}}} {E}\left({x}^{\mathrm{2}} \right){dx};\:{avec}\:{E}\left({x}\right)\:{la}\:{partie}\:{entiere} \\ $$ Answered by puissant last updated on 24/Sep/21 $${K}=\int_{\mathrm{0}} ^{\frac{\mathrm{3}}{\mathrm{2}}} {E}\left({x}^{\mathrm{2}}…
Question Number 23939 by Mayor Tee last updated on 10/Nov/17 $${In}\:{a}\:{school}\:{of}\:\mathrm{500}\:{students},\mathrm{150}\:{played}\:{hockey} \\ $$$$\mathrm{250}\:{played}\:{football},\mathrm{120}\:{played}\:{table}\:{tennis}\:{and} \\ $$$$\mathrm{100}\:{played}\:{one}\:{of}\:{the}\:{three}\:{games}.{If}\:\mathrm{50}\: \\ $$$${played}\:{both}\:{hockey}\:{and}\:{football},{how}\:{many} \\ $$$${played}\:{table}\:{tennis}\:{only}?{pls}\:{show}\:{workings}\:{with} \\ $$$${diagram} \\ $$$$ \\ $$…
Question Number 154992 by ZiYangLee last updated on 24/Sep/21 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{general}\:\mathrm{solution}\:\mathrm{of}\: \\ $$$$\mathrm{cos}\:\mathrm{2}\theta\:+\mathrm{cos}\:\theta\:=\:\mathrm{sin}\:\theta \\ $$ Answered by john_santu last updated on 24/Sep/21 Commented by ZiYangLee last…
Question Number 154987 by tabata last updated on 24/Sep/21 $$\int_{\mathrm{0}} ^{\:\infty} \:\frac{{x}^{{c}} }{{c}^{{x}} }\:\:{dx} \\ $$ Commented by talminator2856791 last updated on 24/Sep/21 $$\:\mathrm{the}\:\mathrm{integral}\:\mathrm{diverges}\:\mathrm{for}\:{c}\:\in\:\left(\mathrm{0},\mathrm{1}\right)\: \\…
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Question Number 154972 by Rankut last updated on 23/Sep/21 $${if}\:{in}\:{a}\:{triangle}\:{ABC},\:{A}\:{and}\:{B} \\ $$$${are}\:{complementry},\:{then}\:{tanC}\:{is}….? \\ $$ Commented by mr W last updated on 23/Sep/21 $${A}+{B}=\mathrm{90}° \\ $$$${C}=\mathrm{180}°−\left({A}+{B}\right)=\mathrm{90}°…