Question Number 47190 by 23kpratik last updated on 06/Nov/18 $${find}\:{the}\:{angel}\:{between}\:{the}\:{surface}\:{x}^{\mathrm{2}} +{y}^{\mathrm{2}} +{z}^{\mathrm{2}} \:\:{and}\:\mathrm{3}{x}^{\mathrm{2}} −{y}^{\mathrm{2}} +\mathrm{2}{z}=\mathrm{1}\:{at}\:\left(\mathrm{1},−\mathrm{2},\mathrm{1}\right) \\ $$ Answered by tanmay.chaudhury50@gmail.com last updated on 06/Nov/18 $$\overset{\rightarrow}…
Question Number 47186 by naka3546 last updated on 05/Nov/18 $${how}\:\:{to}\:\:{know}\:\:{sum}\:\:{of}\:\:{digits}\:\:: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\mathrm{3}^{\mathrm{313}} \:+\:\mathrm{3}^{\mathrm{354}} \:\:\:\:? \\ $$ Answered by MJS last updated on 06/Nov/18 $$\mathrm{it}'\mathrm{s}\:“\mathrm{only}''\:\mathrm{a}\:\mathrm{169}−\mathrm{digit}\:\mathrm{number} \\…
Question Number 178254 by lapache last updated on 14/Oct/22 $${Calcul} \\ $$$$\mathrm{1}−\underset{{n}=\mathrm{1}} {\overset{+\propto} {\sum}}\frac{\mathrm{2}}{\mathrm{4}{n}^{\mathrm{2}} −\mathrm{1}} \\ $$$$\mathrm{2}−\underset{{n}=\mathrm{1}} {\overset{+\propto} {\sum}}\frac{{n}^{\mathrm{2}} }{{n}!} \\ $$$$\mathrm{3}−\:\underset{{n}=\mathrm{1}} {\overset{+\propto} {\sum}}\frac{{n}^{\mathrm{3}} }{{n}!}…
Question Number 112710 by mathdave last updated on 09/Sep/20 $${solve} \\ $$$$\int_{\mathrm{0}} ^{\mathrm{1}} {x}^{\mathrm{2}} \mathrm{ln}\left(\mathrm{1}−{x}\right)\mathrm{ln}\left(\mathrm{1}+{x}\right){dx} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 178223 by aurpeyz last updated on 14/Oct/22 Answered by cortano1 last updated on 14/Oct/22 $$\Rightarrow\frac{\mathrm{x}°}{\mathrm{360}°}\:=\:\frac{\mathrm{41}}{\mathrm{2}.\frac{\mathrm{22}}{\mathrm{7}}.\mathrm{36}} \\ $$$$\Rightarrow\mathrm{x}°=\:\frac{\mathrm{7}×\mathrm{41}×\mathrm{360}°}{\mathrm{44}×\mathrm{36}}=\frac{\mathrm{7}×\mathrm{41}×\mathrm{10}°}{\mathrm{44}} \\ $$$$\Rightarrow\mathrm{x}°\approx\:\mathrm{65}.\mathrm{22}° \\ $$ Commented by…
Question Number 178216 by Acem last updated on 14/Oct/22 $${So}\:{why}\:{is}\:{it}\:{not}\:{possible}\:{to}\:\boldsymbol{{copy}}\:\boldsymbol{{several}}\:\boldsymbol{{lines}} \\ $$$$\:{at}\:{once}?\: \\ $$ Commented by Rasheed.Sindhi last updated on 14/Oct/22 $${It}'{s}\:{limitation}\:{of}\:{the}\:{app}. \\ $$ Commented…
Question Number 178204 by Acem last updated on 13/Oct/22 $$\:{Following}\:{up}\:{on}\:{comments}\:{is}\:{hard}! \\ $$$$\:{isn}'{t}\:{it}\:{supposed}\:{to}\:{receive}\:\boldsymbol{{notifications}}\:{to}\:{make} \\ $$$$\:{it}\:{easy}\:{to}\:{follow}\:{up}\:{on}\:{friends}'{comments}? \\ $$$$ \\ $$ Commented by Ar Brandon last updated on…
Question Number 112655 by mathdave last updated on 09/Sep/20 $${prove}\:{that}\: \\ $$$$\infty!=\sqrt{\mathrm{2}\pi} \\ $$ Commented by MJS_new last updated on 09/Sep/20 $$\mathrm{if}\:\mathrm{you}\:\mathrm{want}\:\mathrm{people}\:\mathrm{with}\:\mathrm{less}\:\mathrm{knowledge}\:\mathrm{to} \\ $$$$\mathrm{understand}\:\mathrm{this},\:\mathrm{you}\:\mathrm{should}\:\mathrm{explain}\:\mathrm{the} \\…
Question Number 112642 by mathdave last updated on 09/Sep/20 $${question}\:{proposed}\:{by}\:{A}\mathrm{8};\mathrm{15}: \\ $$$$\int_{\mathrm{0}} ^{\mathrm{1}} \frac{\mathrm{ln}\left(\mathrm{ln}\frac{\mathrm{1}}{{x}}\right)}{\mathrm{1}+{x}}{dx} \\ $$ Answered by mathdave last updated on 09/Sep/20 $${my}\:{solution}\:{goes}\: \\…
Question Number 112636 by mathdave last updated on 09/Sep/20 Commented by mathdave last updated on 09/Sep/20 $${yes}\:{sir}\:{has}\:{my}\:{lordship}\:{pleases} \\ $$$$ \\ $$ Commented by Aina Samuel…