Question Number 8888 by 7C;00 last updated on 04/Nov/16 Commented by prakash jain last updated on 04/Nov/16 $$\mathrm{for}\:\mathrm{positive}\:\mathrm{numbers}: \\ $$$$\mathrm{Arithmetic}\:\mathrm{mean}\:\geqslant\:\mathrm{Harmonic}\:\mathrm{mean} \\ $$$$\mathrm{AM}=\frac{{a}_{\mathrm{1}} +{a}_{\mathrm{2}} +…+{a}_{{n}} }{{n}}=\frac{{n}}{{n}}=\mathrm{1}…
Question Number 139957 by cherokeesay last updated on 02/May/21 Commented by mr W last updated on 02/May/21 $${R}={r}+\frac{\mathrm{2}}{\mathrm{3}}×\sqrt{\mathrm{3}}{r} \\ $$$$\Rightarrow\frac{{R}}{{r}}=\mathrm{1}+\frac{\mathrm{2}\sqrt{\mathrm{3}}}{\mathrm{3}} \\ $$ Commented by Dwaipayan…
Question Number 74423 by Umar last updated on 24/Nov/19 Commented by Umar last updated on 24/Nov/19 $$\mathrm{please}\:\mathrm{help} \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 8886 by vuckintv last updated on 04/Nov/16 $${solve}\:{for}\:\beta \\ $$$${T}\left({h}\right)={T}_{{s}} −\frac{\sqrt{\pi}}{\mathrm{2}}×\frac{\beta}{\xi}×\left[{erf}\left(\xi{H}\right)−{erf}\left(\xi{h}\right)\right] \\ $$$$ \\ $$ Answered by Rasheed Soomro last updated on 04/Nov/16…
Question Number 139959 by Engr_Jidda last updated on 02/May/21 $${If}\:{W}\:{varies}\:{jointly}\:{as}\:{L}\:{and}\:{the} \\ $$$${square}\:{of}\:{R}.\:{Find}\:{the}\:{percentage} \\ $$$${change}\:{in}\:{W}\:{if}\:{L}\:{increases}\:{by}\:\mathrm{20\%} \\ $$$${and}\:{R}\:{increases}\:{by}\:\mathrm{50\%}. \\ $$$${If}\:{W}=\mathrm{15}\:{when}\:{H}=\mathrm{3}\:{and}\:{R}=\mathrm{2}\frac{\mathrm{1}}{\mathrm{3}}.\:{find}\: \\ $$$${W}\:{when}\:{H}=\mathrm{1}\:{and}\:{R}=\mathrm{10}. \\ $$$${Find}\:{also}\:{W}\:{interms}\:\:{of}\:{H}\:{and}\:{R}. \\ $$ Answered…
Question Number 8885 by tawakalitu last updated on 03/Nov/16 $$\mathrm{Solve}\:\mathrm{simultaneously} \\ $$$$ \\ $$$$\mathrm{2x}\:+\:\mathrm{y}\:−\:\mathrm{2z}\:=\:\mathrm{0}\:………\:\left(\mathrm{i}\right) \\ $$$$\mathrm{7x}\:+\:\mathrm{6y}\:−\:\mathrm{9z}\:=\:\mathrm{0}\:…….\:\left(\mathrm{ii}\right) \\ $$$$\mathrm{x}^{\mathrm{3}} \:+\:\mathrm{y}^{\mathrm{3}} \:+\:\mathrm{z}^{\mathrm{3}} \:=\:\mathrm{1728}\:\:\:\:……\:\left(\mathrm{iii}\right) \\ $$ Answered by…
Question Number 8884 by tawakalitu last updated on 03/Nov/16 Answered by sandy_suhendra last updated on 04/Nov/16 Commented by sandy_suhendra last updated on 04/Nov/16 $$\mathrm{let}\:\mathrm{AL}=\mathrm{the}\:\mathrm{horizontal}\:\mathrm{distance}\:\mathrm{pointA}\:\mathrm{to}\:\mathrm{the}\:\mathrm{lower}\:\mathrm{hill} \\…
Question Number 74418 by peter frank last updated on 24/Nov/19 Answered by ajfour last updated on 24/Nov/19 $$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\overset{\:^{\overset{{N}} {\nwarrow}} \underset{\underset{{mg}} {\downarrow}} {\mathbb{C}}\rightarrow_{{mv}^{\mathrm{2}} /{R}} } {\diagup}…
Question Number 74419 by peter frank last updated on 24/Nov/19 Commented by peter frank last updated on 29/Nov/19 $${please} \\ $$ Terms of Service Privacy…
Question Number 139954 by Ar Brandon last updated on 02/May/21 Answered by mr W last updated on 03/May/21 $${x}_{{n}+\mathrm{1}} =\frac{{x}_{{n}} −\frac{\mathrm{1}}{\:\sqrt{\mathrm{2}}+\mathrm{1}}}{\mathrm{1}+{x}_{{n}} ×\frac{\mathrm{1}}{\:\sqrt{\mathrm{2}}+\mathrm{1}}} \\ $$$${let}\:\mathrm{tan}\:{A}_{{n}} ={x}_{{n}}…