Question Number 55057 by gunawan last updated on 16/Feb/19 $$\mathrm{Prove}\:\mathrm{that}\:\mathrm{Ln}\left({z}+\mathrm{1}\right)={z}−\frac{{z}^{\mathrm{2}} }{\mathrm{2}}+\frac{{z}^{\mathrm{3}} }{\mathrm{3}}−\frac{{z}^{\mathrm{4}} }{\mathrm{4}}+… \\ $$$$\mathrm{for}\:\mid{z}\mid<\:\mathrm{1} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 120519 by bemath last updated on 01/Nov/20 Commented by bemath last updated on 01/Nov/20 $$\:\:\mathrm{Find}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\mathrm{x}\:. \\ $$$$\left(\mathrm{a}\right)\mathrm{2}\:\:\:\:\left(\mathrm{b}\right)\mathrm{3}\:\:\:\:\:\left(\mathrm{c}\right)\mathrm{4}\:\:\:\:\left(\mathrm{d}\right)\mathrm{5}\:\:\:\:\left(\mathrm{e}\right)\mathrm{8} \\ $$ Answered by $@y@m last…
Question Number 119814 by bemath last updated on 27/Oct/20 $${If}\:{a},{b},{c}\:{and}\:{d}\:{is}\:{real}\:{numbers} \\ $$$${satisfy}\:\frac{{a}}{{b}}=\frac{\mathrm{2}}{\mathrm{3}},\:\frac{{c}}{{d}}=\frac{\mathrm{4}}{\mathrm{5}},\:\frac{{d}}{{b}}=\frac{\mathrm{6}}{\mathrm{7}} \\ $$$${then}\:\frac{{a}}{{c}}\:=? \\ $$ Answered by Olaf last updated on 27/Oct/20 $${a}\:=\:\frac{\mathrm{2}}{\mathrm{3}}{b} \\…
Question Number 118825 by bramlexs22 last updated on 20/Oct/20 $${I}\:{am}\:{thinking}\:{of}\:{a}\:{two}−{digit}\:{number} \\ $$$$.{If}\:{i}\:{write}\:\mathrm{3}\:{to}\:{the}\:{left}\:{of}\:{my}\:{number} \\ $$$${and}\:{double}\:{this}\:{three}\:{digit}\:{number}\:{the} \\ $$$${result}\:{is}\:\mathrm{27}\:{times}\:{my}\:{original}\:{number}. \\ $$$${what}\:{is}\:{my}\:{number}\:? \\ $$ Answered by benjo_mathlover last updated…
Question Number 183644 by mr W last updated on 28/Dec/22 Commented by mr W last updated on 28/Dec/22 $${connect}\:{the}\:{boxes}\:{with}\:{same}\:{numbers}, \\ $$$${without}\:{leaving}\:{the}\:{board}\:{and}\:{without} \\ $$$${intersection}. \\ $$…
Question Number 183583 by Acem last updated on 27/Dec/22 Commented by Acem last updated on 27/Dec/22 $${A}\:{stone}\:{of}\:\mathrm{40}\:{kg},\:{i}'{ve}\:{cut}\:{it}\:{into}\:\mathrm{4}\:{diferent}\:{parts}, \\ $$$$\:{now}\:{i}\:{can}\:{use}\:{them}\:{for}\:{measure}\:{weights}\:\mathrm{1}−\mathrm{40}\:{Kg}\: \\ $$$$\:{Sure}\:{the}\:{qusetion}\:{is}\:{weight}\:{of}\:{each}\:{piece}? \\ $$$$\:{But}\:{by}\:{a}\:{logical}\:{solution}\:{not}\:{by}\:{experiment},\:{please}! \\ $$$$…
Question Number 183480 by mr W last updated on 26/Dec/22 Commented by mr W last updated on 26/Dec/22 $${what}\:{time}\:{is}\:{it}? \\ $$ Answered by ajfour last…
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Question Number 180378 by Crabby last updated on 11/Nov/22 Answered by Crabby last updated on 14/Nov/22 $${no}\:{one}? \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 47725 by Meritguide1234 last updated on 14/Nov/18 Commented by Meritguide1234 last updated on 15/Nov/18 $${ans}\:{is}\:\sqrt{\mathrm{2}}+\mathrm{1} \\ $$ Commented by maxmathsup by imad last…