Question Number 151922 by john_santu last updated on 24/Aug/21 $$\:\:\sqrt[{\mathrm{3}}]{\mathrm{cos}\:\frac{\mathrm{2}\pi}{\mathrm{9}}}\:+\sqrt[{\mathrm{3}}]{\mathrm{cos}\:\frac{\mathrm{4}\pi}{\mathrm{9}}}−\sqrt[{\mathrm{3}}]{\mathrm{cos}\:\frac{\pi}{\mathrm{9}}}\:=? \\ $$$$ \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 20847 by j.masanja06@gmail.com last updated on 04/Sep/17 $${the}\:{rectangle}\:{is}\:{known}\:{to}\:{be}\:{twice} \\ $$$${as}\:{long}\:{as}\:{its}\:{wide}.{if}\:{the}\:{width}\:{is} \\ $$$${measured}\:{as}\:\mathrm{20}\:\pm\mathrm{0}.\mathrm{2}{cm}. \\ $$$${find}\:{the}\:{area}\:{in}\:{the}\:{form}\:{of}\:\left({A}\pm{b}\right) \\ $$$$ \\ $$ Answered by ajfour last updated…
Question Number 86379 by jagoll last updated on 28/Mar/20 Commented by jagoll last updated on 28/Mar/20 $$\mathrm{to}\:\mathrm{miss}\:\mathrm{tawa} \\ $$ Commented by TawaTawa1 last updated on…
Question Number 20842 by Tinkutara last updated on 04/Sep/17 $$\mathrm{Acceleration}\:\mathrm{of}\:\mathrm{a}\:\mathrm{particle}\:\mathrm{which}\:\mathrm{is}\:\mathrm{at} \\ $$$$\mathrm{rest}\:\mathrm{at}\:{x}\:=\:\mathrm{0}\:\mathrm{is}\:\overset{\rightarrow} {{a}}\:=\:\left(\mathrm{4}\:−\:\mathrm{2}{x}\right)\:\overset{\wedge} {{i}}.\:\mathrm{Select} \\ $$$$\mathrm{the}\:\mathrm{correct}\:\mathrm{alternative}\left(\mathrm{s}\right). \\ $$$$\left({a}\right)\:\mathrm{Maximum}\:\mathrm{speed}\:\mathrm{of}\:\mathrm{the}\:\mathrm{particle}\:\mathrm{is} \\ $$$$\mathrm{4}\:\mathrm{units} \\ $$$$\left({b}\right)\:\mathrm{Particle}\:\mathrm{further}\:\mathrm{comes}\:\mathrm{to}\:\mathrm{rest}\:\mathrm{at} \\ $$$${x}\:=\:\mathrm{4} \\…
Question Number 86374 by mathmax by abdo last updated on 28/Mar/20 $${calculate}\:{bycomplex}\:{method}\:\:\int_{\mathrm{1}} ^{+\infty} \:\frac{{dx}}{\mathrm{1}+{x}^{\mathrm{2}} } \\ $$ Commented by mathmax by abdo last updated on…
Question Number 86375 by mathmax by abdo last updated on 28/Mar/20 $${calculate}\:{by}\:{complex}\:{method}\:\:\int_{\mathrm{0}} ^{\infty} \:\:\:\:\frac{{dx}}{{x}^{\mathrm{2}} −{x}+\mathrm{1}} \\ $$ Commented by mathmax by abdo last updated on…
Question Number 151911 by mathdanisur last updated on 24/Aug/21 $$\mathrm{Determine}\:\mathrm{the}\:\mathrm{digit}\:\boldsymbol{\mathrm{a}}\:\mathrm{and}\:\mathrm{prime} \\ $$$$\mathrm{numbers}\:\boldsymbol{\mathrm{x}};\boldsymbol{\mathrm{y}};\boldsymbol{\mathrm{z}}\:\mathrm{such}\:\mathrm{that}\:\boldsymbol{\mathrm{x}}<\boldsymbol{\mathrm{y}},\:\boldsymbol{\mathrm{z}}<\mathrm{1000} \\ $$$$\mathrm{and}\:\:\mathrm{x}\:+\:\mathrm{y}^{\mathrm{2}\boldsymbol{\mathrm{a}}} \:=\:\mathrm{z} \\ $$ Commented by Rasheed.Sindhi last updated on 24/Aug/21 $$\mathrm{2}\boldsymbol{\mathrm{a}}\:{means}\:\mathrm{20},\mathrm{21},\mathrm{22},…,\mathrm{29}?\:{Or}\:\mathrm{2}\boldsymbol{\mathrm{a}}=\mathrm{2}×\boldsymbol{\mathrm{a}}?…
Question Number 20836 by xxyy@gmail.com last updated on 04/Sep/17 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 151905 by mathdanisur last updated on 24/Aug/21 Answered by mindispower last updated on 24/Aug/21 $$\mathrm{8}{x}^{{x}} {y}^{{y}} {z}^{{z}} \mathrm{2}^{{x}+{y}+{z}} =\mathrm{2}\left(\mathrm{2}{x}\right)^{{x}} .\mathrm{2}\left(\mathrm{2}{y}\right)^{{y}} .\left(\mathrm{2}{z}\right)^{{z}_{} } \\…
Question Number 151907 by mathdanisur last updated on 24/Aug/21 $$\mathrm{If}\:\mathrm{the}\:\mathrm{area}\:\mathrm{of}\:\mathrm{a}\:\mathrm{convex}\:\mathrm{quadrilateral} \\ $$$$\mathrm{is}\:\mathrm{2}\boldsymbol{\mathrm{k}}^{\mathrm{2}} \:\mathrm{and}\:\mathrm{the}\:\mathrm{sum}\:\mathrm{of}\:\mathrm{its}\:\mathrm{diagonals} \\ $$$$\mathrm{is}\:\mathrm{4}\boldsymbol{\mathrm{k}}^{\mathrm{2}} ,\:\mathrm{then}\:\mathrm{show}\:\mathrm{that}\:\mathrm{this}\:\mathrm{quadrilateral} \\ $$$$\mathrm{is}\:\mathrm{an}\:\mathrm{orthodiagonal}\:\mathrm{one}. \\ $$ Commented by mr W last…