Question Number 102196 by mathocean1 last updated on 07/Jul/20 $${ABCD}\:{is}\:{a}\:{square}\:{with}\:{center}\:{O}. \\ $$$${AB}=\mathrm{5}\:{cm}. \\ $$$${EFGH}\:{is}\:{a}\:{square}\:{such}\:{as}\: \\ $$$${AE}={BF}={CG}={DH}. \\ $$$$\left.\mathrm{1}\right)\:{Show}\:{with}\:{Chasles}\:{rules}\:{that} \\ $$$$\overset{\rightarrow} {{EF}}.\overset{\rightarrow} {{FG}}=\overset{\rightarrow} {\mathrm{0}} \\ $$$$\left.\mathrm{2}\right)\:{Determinate}\:{the}\:{area}\:{of}\:{EBFO}…
Question Number 167696 by bounhome last updated on 23/Mar/22 $${solv}:\:\: \\ $$$${e}^{{x}} +{x}+\mathrm{1}=\mathrm{0} \\ $$ Answered by mr W last updated on 23/Mar/22 $${e}^{{x}} =−\left({x}+\mathrm{1}\right)…
Question Number 167682 by bounhome last updated on 22/Mar/22 $${solve}:\:\mathrm{2}^{{x}} +\mathrm{3}^{{x}} =\mathrm{5}^{{x}} \\ $$ Commented by mr W last updated on 22/Mar/22 $${is}\:{it}\:{not}\:{to}\:{see}\:{that}\:{x}=\mathrm{1}? \\ $$…
Question Number 102146 by MJS last updated on 06/Jul/20 $$\mathrm{I}\:\mathrm{decided}\:\mathrm{it}'\mathrm{s}\:\mathrm{time}\:\mathrm{to}\:\mathrm{leave}\:\mathrm{for}\:\mathrm{a}\:\mathrm{while}.\:\mathrm{I}\:\mathrm{need} \\ $$$$\mathrm{some}\:\mathrm{peace}\:\mathrm{and}\:\mathrm{calm},\:\mathrm{I}'\mathrm{m}\:\mathrm{losing}\:\mathrm{my}\:{zen}\mathrm{ter}… \\ $$$$\mathrm{I}'\mathrm{ll}\:\mathrm{put}\:\mathrm{more}\:\mathrm{time}\:\mathrm{and}\:\mathrm{energy}\:\mathrm{into}\:\mathrm{my}\:\mathrm{music}. \\ $$$$\mathrm{I}\:\mathrm{guess}\:\mathrm{I}'\mathrm{ll}\:\mathrm{be}\:\mathrm{back};\:\mathrm{until}\:\mathrm{then}, \\ $$$$\mathrm{kindest}\:\mathrm{regards}\:\&\:\mathrm{thanks}\:\mathrm{for}\:\mathrm{the}\:\mathrm{teachings}! \\ $$ Commented by Rasheed.Sindhi last updated…
Question Number 102139 by mathocean1 last updated on 06/Jul/20 $${We}\:{have}\:\mathrm{4}\:{boys}\:{and}\:\mathrm{2}\:{girls}.\:{we} \\ $$$${choose}\:{at}\:{random}\:{and}\:{simultaneous} \\ $$$$\mathrm{2}\:{boys}\:{and}\:\mathrm{1}\:{girl}\:{to}\:{for}\:{a}\:{group}. \\ $$$$\left.\mathrm{1}\right)\:{How}\:{many}\:{possibilities}\:{do}\:{we}\:{have}? \\ $$ Commented by prakash jain last updated on…
Question Number 167666 by LEKOUMA last updated on 22/Mar/22 $${I}_{{n}} =\int\frac{{dx}}{\mathrm{cos}\:^{{n}} {x}} \\ $$$${Prove}\:{that} \\ $$$${I}_{{n}} =\frac{{n}−\mathrm{2}}{{n}−\mathrm{1}}{I}_{{n}−\mathrm{2}} +\frac{\mathrm{sin}\:{x}}{\left({n}−\mathrm{1}\right)\mathrm{cos}\:^{{n}−\mathrm{1}} {x}} \\ $$ Commented by peter frank…
Question Number 102101 by mathocean1 last updated on 06/Jul/20 $${We}\:{have}\:\mathrm{2}\:{red}\:{and}\:\mathrm{1}\:{black}\:{tokens}. \\ $$$${We}\:{want}\:{to}\:{dispose}\:{them}\:{on}\:\mathrm{9}\:{places} \\ $$$${of}\:{this}\:{checker}−{board}. \\ $$$$\left.\mathrm{1}\right){What}\:{the}\:{number}\:{of}\:{possibilities}\: \\ $$$${to}\:{dispose}\:{these}\:\mathrm{3}\:{tokens}\:{on}\:{these} \\ $$$$\mathrm{9}\:{places}. \\ $$$$\left.\mathrm{2}\right){What}\:{it}\:{is}\:{the}\:{number}\:{of}\:{possibilities} \\ $$$${to}\:{dispose}\:{these}\:\mathrm{3}\:{tokens}\:\:{like}\:{that}: \\…
Question Number 167628 by mkam last updated on 21/Mar/22 Commented by mkam last updated on 21/Mar/22 $${how}\:{can}\:{it}\:{proved}\:{in}\:{chemical} \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 102086 by mathocean1 last updated on 06/Jul/20 Commented by mr W last updated on 06/Jul/20 $${what}\:{is}\:{a}\:{pair}\:{number}?\:\:={even}\:{number}? \\ $$$${what}\:{is}\:{a}\:{pair}\:{digit}?\:={even}\:{digit}? \\ $$$${what}\:{is}\:{an}\:{unpair}\:{digit}?\:={odd}\:{digit}? \\ $$ Commented…
Question Number 167616 by MathsFan last updated on 20/Mar/22 $$\boldsymbol{{How}}\:\boldsymbol{{do}}\:\boldsymbol{{i}}\:\boldsymbol{{show}}\:\boldsymbol{{that}} \\ $$$$\:\boldsymbol{{A}}\backslash\boldsymbol{{B}}\oplus\boldsymbol{{C}}=\left(\boldsymbol{{A}}\backslash\boldsymbol{{B}}\right)\oplus\left(\boldsymbol{{A}}\backslash\boldsymbol{{C}}\right) \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com