Question Number 12628 by sin (x) last updated on 27/Apr/17 Answered by ajfour last updated on 27/Apr/17 $${Area}\left({ABCD}\right)=\frac{\mathrm{1}}{\mathrm{2}}\left({AD}+{BC}\right)\left({AB}\right) \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:=\:\frac{\mathrm{1}}{\mathrm{2}}\left(\mathrm{2}\sqrt{\mathrm{13}^{\mathrm{2}} −\mathrm{12}^{\mathrm{2}} }\right)\left(\mathrm{24}\right) \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:=\mathrm{120}\:\:\:\:\:\:\left(\boldsymbol{{B}}\right)\:. \\…
Question Number 78162 by TawaTawa last updated on 14/Jan/20 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{sum}\:\mathrm{of}\:\mathrm{nth}\:\mathrm{term} \\ $$$$\:\:\:\underset{\mathrm{k}\:=\:\mathrm{1}} {\overset{\mathrm{n}} {\sum}}\:\frac{\mathrm{1}}{\mathrm{k}^{\mathrm{2}} } \\ $$ Commented by msup trace by abdo last updated…
Question Number 78163 by TawaTawa last updated on 14/Jan/20 $$\int\:\sqrt{\mathrm{1}\:+\:\mathrm{3}\:\mathrm{sin}\left(\theta\right)\:+\:\mathrm{sin}^{\mathrm{2}} \left(\theta\right)}\:\:\mathrm{d}\theta \\ $$ Commented by MJS last updated on 15/Jan/20 $$\mathrm{I}\:\mathrm{don}'\mathrm{t}\:\mathrm{think}\:\mathrm{we}\:\mathrm{can}\:\mathrm{solve}\:\mathrm{this} \\ $$ Commented by…
Question Number 12626 by @ANTARES_VY last updated on 27/Apr/17 $$\mathrm{2}\boldsymbol{\mathrm{cos}}^{\mathrm{2}} \boldsymbol{\alpha}−\mathrm{3}\boldsymbol{\mathrm{sin}\alpha} \\ $$$$\boldsymbol{\mathrm{Find}}\:\:\boldsymbol{\mathrm{the}}\:\:\boldsymbol{\mathrm{best}}\:\:\boldsymbol{\mathrm{metaphore}} \\ $$ Commented by prakash jain last updated on 27/Apr/17 $$\mathrm{Are}\:\mathrm{u}\:\mathrm{using}\:\mathrm{google}\:\mathrm{translate}? \\…
Question Number 78160 by Lontum Hans last updated on 14/Jan/20 $$\mathrm{find}\:\mathrm{the}\:\mathrm{term}\:\mathrm{independent}\:\mathrm{of}\:\mathrm{x}\:\mathrm{in} \\ $$$$\:\:\left[\:\:\frac{\mathrm{x}−\mathrm{1}}{\mathrm{x}}\right]^{\mathrm{9}} \\ $$ Commented by mathmax by abdo last updated on 14/Jan/20 $$\left(\frac{{x}−\mathrm{1}}{{x}}\right)^{\mathrm{9}}…
Question Number 143698 by Dwaipayan Shikari last updated on 17/Jun/21 $$\:{My}\:{first}\:{Contribution}\:{to}\:{this}\:{forum}.\: \\ $$$${One}\:{year}\:{later}\: \\ $$$${Q}\:\mathrm{98831} \\ $$ Commented by Dwaipayan Shikari last updated on 17/Jun/21…
Question Number 78161 by TawaTawa last updated on 14/Jan/20 Answered by mr W last updated on 15/Jan/20 $${M}=\mathrm{5}\:{kg} \\ $$$${m}=\mathrm{2}\:{kg} \\ $$$${T}−\mu{mg}={ma} \\ $$$${F}−{T}−\mu{mg}−\mu\left({m}+{Mg}\right)={Ma} \\…
Question Number 12623 by b.e.h.i.8.3.4.1.7@gmail.com last updated on 27/Apr/17 Commented by b.e.h.i.8.3.4.1.7@gmail.com last updated on 27/Apr/17 $${one}\:{or}\:{more}\:{is}\:{true}.{find}\:{it}\:{or}\:{them}! \\ $$ Answered by prakash jain last updated…
Question Number 78156 by Rio Michael last updated on 14/Jan/20 $$\mathrm{Given}\:\mathrm{that}\:{u}_{{n}\:+\:\mathrm{1}} =\:\frac{{a}_{{n}} }{\mathrm{2}}\:+\:\mathrm{5}\:\:\: \\ $$$${evalatuate}\:\:\underset{{x}\rightarrow\infty} {\mathrm{lim}}\:{a}_{{n}} \\ $$$${deduce}\:{if}\:{a}_{{n}\:} \:{is}\:{convergent}\:{or}\:{divergent}. \\ $$ Commented by mathmax by…
Question Number 12621 by b.e.h.i.8.3.4.1.7@gmail.com last updated on 27/Apr/17 Commented by b.e.h.i.8.3.4.1.7@gmail.com last updated on 27/Apr/17 $${one}\:{or}\:{more}\:{is}\:{true}.{find}\:{it}\:{or}\:{them}! \\ $$ Terms of Service Privacy Policy Contact:…