Question Number 171406 by floor(10²Eta[1]) last updated on 14/Jun/22 $$\mathrm{1}=\sqrt{\mathrm{1}}=\sqrt{\left(−\mathrm{1}\right)\left(−\mathrm{1}\right)}=\sqrt{\left(−\mathrm{1}\right)}×\sqrt{\left(−\mathrm{1}\right)}=\mathrm{i}.\mathrm{i}=\mathrm{i}^{\mathrm{2}} =−\mathrm{1} \\ $$$$\mathrm{where}\:\mathrm{is}\:\mathrm{the}\:\mathrm{mistake}? \\ $$ Commented by infinityaction last updated on 14/Jun/22 $${if}\:{a}\:{and}\:{b}\:{are}\:{positive}\:{number} \\ $$$${then}\:\sqrt{{ab}}\:=\:\sqrt{{a}}\:\sqrt{{b}}…
Question Number 105850 by PRITHWISH SEN 2 last updated on 01/Aug/20 $$\mathrm{A}\:\mathrm{bit}\:\mathrm{modification}\:\mathrm{of}\:\mathrm{Mr}.\:\mathrm{W}'\mathrm{s}\:\mathrm{question} \\ $$$$\mathrm{How}\:\mathrm{many}\:\mathrm{numbers}\:\mathrm{are}\:\mathrm{there}\:\mathrm{with}\:\mathrm{atleast}\:\mathrm{one} \\ $$$$\mathrm{zero}\:\mathrm{between}\:\mathrm{1}\:\mathrm{to}\:\mathrm{12345}\:?\:\mathrm{For}\:\mathrm{instance}\:\mathrm{consider} \\ $$$$\mathrm{10020}\:\mathrm{as}\:\mathrm{1}\:\mathrm{number}\:?\:\mathrm{Can}\:\mathrm{the}\:\mathrm{answer}\:\mathrm{ofQ105791}\: \\ $$$$\mathrm{be}\:\mathrm{derived}\:\mathrm{from}\:\mathrm{the}\:\mathrm{answer}\:\mathrm{of}\:\mathrm{this}\:\mathrm{question}\:? \\ $$ Terms of Service…
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Question Number 171386 by MathsFan last updated on 14/Jun/22 $$ \\ $$A fair coin is flipped 3 times and a random variable X is defined…
Question Number 40300 by mondodotto@gmail.com last updated on 18/Jul/18 $$\mathrm{10}\:\boldsymbol{\mathrm{men}}\:\boldsymbol{\mathrm{had}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{work}}\:\boldsymbol{\mathrm{of}}\:\boldsymbol{\mathrm{cultivating}} \\ $$$$\boldsymbol{\mathrm{a}}\:\boldsymbol{\mathrm{farm}}\:\boldsymbol{\mathrm{for}}\:\mathrm{18}\:\boldsymbol{\mathrm{days}}.\:\boldsymbol{\mathrm{when}}\:\frac{\mathrm{1}}{\mathrm{3}} \\ $$$$\boldsymbol{\mathrm{of}}\:\boldsymbol{\mathrm{work}}\:\boldsymbol{\mathrm{was}}\:\boldsymbol{\mathrm{done}}\:\mathrm{6}\:\boldsymbol{\mathrm{men}}\:\boldsymbol{\mathrm{were}}\:\boldsymbol{\mathrm{reduced}}. \\ $$$$\boldsymbol{\mathrm{for}}\:\boldsymbol{\mathrm{how}}\:\boldsymbol{\mathrm{long}}\:\boldsymbol{\mathrm{was}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{work}}\:\boldsymbol{\mathrm{of}}\:\boldsymbol{\mathrm{cultivating}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{farm}}\:\boldsymbol{\mathrm{done}}? \\ $$ Answered by MJS last updated on 18/Jul/18…
Question Number 40299 by mondodotto@gmail.com last updated on 18/Jul/18 $$\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{present}}\:\boldsymbol{\mathrm{age}}\:\boldsymbol{\mathrm{of}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{son}}\:\boldsymbol{\mathrm{is}}\:\boldsymbol{\mathrm{ten}}\:\boldsymbol{\mathrm{years}} \\ $$$$\boldsymbol{\mathrm{less}}\:\boldsymbol{\mathrm{than}}\:\boldsymbol{\mathrm{twice}}\:\boldsymbol{\mathrm{that}}\:\boldsymbol{\mathrm{of}}\:\boldsymbol{\mathrm{his}}\:\boldsymbol{\mathrm{father}}. \\ $$$$\boldsymbol{\mathrm{if}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{sum}}\:\boldsymbol{\mathrm{of}}\:\boldsymbol{\mathrm{their}}\:\boldsymbol{\mathrm{age}}\:\boldsymbol{\mathrm{is}}\:\mathrm{80}\:\boldsymbol{\mathrm{years}}. \\ $$$$\boldsymbol{\mathrm{find}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{age}}\:\boldsymbol{\mathrm{of}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{father}} \\ $$ Answered by MJS last updated on 18/Jul/18…
Question Number 171370 by Gbenga last updated on 13/Jun/22 $$\int_{\mathrm{0}} ^{\frac{\boldsymbol{\pi}}{\mathrm{2}}} \boldsymbol{\mathrm{x}}^{\mathrm{3}} \sqrt{\boldsymbol{\mathrm{cos}}\left(\boldsymbol{\mathrm{x}}\right)}\boldsymbol{\mathrm{dx}} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
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Question Number 171362 by otchereabdullai@gmail.com last updated on 13/Jun/22 $$ \\ $$$$\mathrm{A}\:\mathrm{rectangle}\:\mathrm{is}\:\mathrm{divided}\:\mathrm{into}\:\mathrm{40}\:\mathrm{equal}\: \\ $$$$\:\mathrm{parts}.\:\mathrm{How}\:\mathrm{many}\:\mathrm{of}\:\mathrm{these}\:\mathrm{parts}\: \\ $$$$\mathrm{should}\:\mathrm{be}\:\mathrm{shadded}\:\mathrm{in}\:\mathrm{other}\:\mathrm{to}\:\mathrm{cover}\: \\ $$$$\:\mathrm{three}-\mathrm{five}\:\mathrm{of}\:\mathrm{the}\:\mathrm{rectangle} \\ $$$$\: \\ $$ Answered by Rasheed.Sindhi…
Question Number 171356 by LEKOUMA last updated on 13/Jun/22 $${Solve} \\ $$$$\left.\mathrm{1}\right)\:\left(\mathrm{2}{x}−{y}\right){dx}+\left(\mathrm{4}{x}−\mathrm{2}{y}+\mathrm{4}\right){dy}=\mathrm{0} \\ $$$$\left.\mathrm{2}\right)\:\left(\mathrm{2}{x}−{y}+\mathrm{4}\right){dy}+\left({x}−\mathrm{2}{y}+\mathrm{5}\right){dx}=\mathrm{0} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com