Question Number 72421 by TawaTawa last updated on 28/Oct/19 Answered by mind is power last updated on 28/Oct/19 $$\mathrm{let}\:\mathrm{a},\mathrm{b},\mathrm{c},\mathrm{d}\:\mathrm{root}\left[\mathrm{in}\:\mathbb{C}\right. \\ $$$$\mathrm{a}+\mathrm{b}+\mathrm{c}+\mathrm{d}=−\mathrm{2} \\ $$$$\mathrm{a}+\mathrm{b}=\mathrm{2} \\ $$$$\mathrm{c}+\mathrm{d}=−\mathrm{4}…
Question Number 137953 by mnjuly1970 last updated on 08/Apr/21 $$\:\:\:\:\:\:\:\:\:\:\:\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:….\mathscr{N}{ice}\:…\:…\:…\:…\mathscr{C}{alculus}…. \\ $$$$\:\:\:\:\:{find}\:\:{the}\:{value}\:{of}:: \\ $$$$\:\:\:\:\:\:\boldsymbol{\phi}=\int_{\mathrm{1}} ^{\:\infty} \frac{{ln}\left(\mathrm{1}+{x}\right)}{{x}^{\mathrm{2}} }{dx}=??? \\ $$ Answered by Ñï= last…
Question Number 72416 by TawaTawa last updated on 28/Oct/19 Commented by TawaTawa last updated on 28/Oct/19 $$\mathrm{Please}\:\mathrm{help}\:\mathrm{me}. \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 6880 by Tawakalitu. last updated on 01/Aug/16 $${A}\:{cone}\:{of}\:{height}\:\mathrm{10}\:{cm}\:{and}\:{base}\:{radius}\:\mathrm{3}\:{cm}\:{is}\:{held}\:{vertex}\: \\ $$$${down}\:{and}\:{is}\:{filled}\:{with}\:{sand}\:.\:{A}\:{hole}\:{in}\:{the}\:{bottom}\:{of}\:{the}\:{cone} \\ $$$${allows}\:{the}\:{sand}\:{to}\:{escape}\:{at}\:{a}\:{steady}\:{rate}\:{of}\:\mathrm{0}.\mathrm{5}\:{cm}^{\mathrm{3}} /{s}.\:{find}\:{the} \\ $$$${rate}\:{that}\:{the}\:{depth}\:{is}\:{decreasing}\:{when}\:{the}\:{depth}\:{is}\:\mathrm{2}\:{cm}. \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 72414 by aliesam last updated on 28/Oct/19 Commented by aliesam last updated on 28/Oct/19 $${a},{b}\:{and}\:{d}\:{are}\:{centres}\:{of}\:{three}\:{circles}\: \\ $$$${find}\: \\ $$$$\frac{{AC}}{{AB}} \\ $$ Answered by…
Question Number 6878 by sarathon last updated on 01/Aug/16 $${why}\:{log}\mathrm{0}.\mathrm{9}=\mathrm{2}{log}\mathrm{3}−\mathrm{1}\:?? \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$ Answered by Tawakalitu.…
Question Number 6877 by sarathon last updated on 01/Aug/16 $$\mathrm{the}\:\mathrm{bottom}\left(\frac{\mathrm{1}}{\mathrm{2}}\right)\:\mathrm{of}\:\:{log}_{\frac{\mathrm{1}}{\mathrm{2}}} {x}\:\:\mathrm{wants}\:\mathrm{to}\:\mathrm{make}\:\:\mathrm{2} \\ $$$$\mathrm{2}\:\:\mathrm{how}?? \\ $$$$ \\ $$ Commented by Tawakalitu. last updated on 01/Aug/16 $${log}_{\frac{\mathrm{1}}{\mathrm{2}}}…
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Question Number 6875 by FilupSmith last updated on 01/Aug/16 $$\mathrm{For}\:\mathrm{vectors}\:\boldsymbol{{v}}\:\mathrm{and}\:\boldsymbol{{u}}\:\mathrm{where}: \\ $$$$\boldsymbol{{v}},\boldsymbol{{u}}\in\mathbb{R}^{{n}} \\ $$$$\mathrm{What}\:\mathrm{is}\:\mathrm{the}\:\mathrm{angle}\:\mathrm{between}\:\boldsymbol{{v}}\:\mathrm{and}\:\boldsymbol{{u}}? \\ $$$$\left(\mathrm{both}\:\mathrm{are}\:\mathrm{from}\:\mathrm{origin}\right) \\ $$ Commented by prakash jain last updated on…
Question Number 72408 by ajfour last updated on 28/Oct/19 Commented by ajfour last updated on 28/Oct/19 $${All}\:{three}\:{coloured}\:{regions}\:{A},\:{B},\:{C} \\ $$$${have}\:{the}\:{same}\:{area}.\:{Center}\:{of} \\ $$$${circle}\:{lies}\:{on}\:{major}\:{axis}\:{of}\:{ellipse}. \\ $$$${Locate}\:{the}\:{center}\:{of}\:{circle}\:{in}\:{terms}\: \\ $$$${of}\:{ellipse}\:{parameters}\:{a}\:{and}\:{b}.…