Question Number 135840 by abdurehime last updated on 16/Mar/21 Answered by liberty last updated on 16/Mar/21 $${from}\:{p}\Rightarrow\:\backsim{q}\:{False}\:{we}\:{get}\:\begin{cases}{{p}\::\:{T}}\\{{q}\::\:{T}}\end{cases} \\ $$$${so}\:{the}\:{following}\:{statements}\:{is} \\ $$$${True}\::\:\left({p} \sim{q}\right)\Leftrightarrow\left(\sim{r} {r}\right) \\ $$$${answer}\::\:{C}…
Question Number 70296 by 7890542135678 last updated on 03/Oct/19 Commented by 7890542135678 last updated on 03/Oct/19 $${Find}\:\angle{BAC} \\ $$ Answered by mr W last updated…
Question Number 135827 by otchereabdullai@gmail.com last updated on 16/Mar/21 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{area}\:\mathrm{of}\:\mathrm{a}\:\mathrm{circle}\:\mathrm{leaving}\:\mathrm{the}\: \\ $$$$\mathrm{answer}\:\mathrm{in}\:\pi. \\ $$$$\left.\mathrm{i}\right)\:\mathrm{if}\:\mathrm{it}\:\mathrm{area}\:\mathrm{is}\:\mathrm{doubled}\:\mathrm{it}\:\mathrm{circumference} \\ $$$$ \\ $$$$\left.\mathrm{ii}\right)\:\mathrm{if}\:\mathrm{the}\:\mathrm{area}\:\mathrm{of}\:\mathrm{it}\:\mathrm{cermi}-\mathrm{circle}\:\mathrm{is}\: \\ $$$$\mathrm{numerically}\:\mathrm{equal}\:\mathrm{to}\:\mathrm{the}\:\mathrm{arc}\:\mathrm{length}\:\mathrm{of} \\ $$$$\mathrm{a}\:\mathrm{quater}\:\mathrm{circle} \\ $$$$ \\…
Question Number 135824 by Khakie last updated on 16/Mar/21 $$\int_{\mathrm{0}} ^{{a}} \:\frac{{x}^{\mathrm{4}} \:\:{e}^{{x}} }{\left({e}^{{x}} \:−\mathrm{1}\right)^{\mathrm{2}} }\:{dt} \\ $$$$ \\ $$$${please}\:{solve}\:{this}… \\ $$ Commented by mathmax…
Question Number 4758 by madscientist last updated on 05/Mar/16 $$\int_{−\infty} ^{\infty} {e}^{−{x}^{\mathrm{2}\:} } \:{dx}\:=\:\sqrt{\pi\:} \\ $$$${is}\:{this}\:{true},\:{if}\:{so}\:{how}? \\ $$ Answered by Yozzii last updated on 05/Mar/16…
Question Number 70287 by MJS last updated on 02/Oct/19 $$\mathrm{I}\:\mathrm{wanted}\:\mathrm{to}\:\mathrm{say}\:\mathrm{this}\:\mathrm{earlier}… \\ $$$$\mathrm{I}\:\mathrm{love}\:\mathrm{mathematics}\:\mathrm{and}\:\mathrm{I}\:\mathrm{also}\:\mathrm{love}\:\mathrm{people}. \\ $$$$\mathrm{But}\:\mathrm{I}'\mathrm{m}\:\mathrm{not}\:\mathrm{here}\:\mathrm{to}\:\mathrm{solve}\:\mathrm{the}\:\mathrm{same}\:\mathrm{old}\:\mathrm{boring} \\ $$$$\mathrm{problems}\:\mathrm{copied}\:\mathrm{from}\:\mathrm{facebook}\:\mathrm{or}\:\mathrm{whatsapp} \\ $$$$\mathrm{or}\:\mathrm{other}\:\mathrm{platforms}.\:\mathrm{They}\:\mathrm{are}\:\mathrm{not}\:\mathrm{interesting} \\ $$$$\mathrm{at}\:\mathrm{all}.\:\mathrm{They}\:\mathrm{have}\:\mathrm{been}\:\mathrm{coming}\:\mathrm{in}\:\mathrm{as}\:\mathrm{a}\:\mathrm{kind} \\ $$$$\mathrm{of}\:\mathrm{competition},\:\mathrm{or}\:\mathrm{simply}\:\mathrm{to}\:\mathrm{brag},\:\mathrm{they}'\mathrm{ve} \\ $$$$\mathrm{been}\:\mathrm{traded}\:\mathrm{from}\:\mathrm{one}\:\mathrm{non}−\mathrm{mathematician} \\…
Question Number 135822 by Khakie last updated on 16/Mar/21 $$\left[\frac{{sin}\alpha}{\alpha}\right]^{\mathrm{2}} \:=\frac{\mathrm{1}}{\mathrm{2}}\:\:\:\:\:{please}\:{solve}\:{this} \\ $$ Commented by mr W last updated on 16/Mar/21 $${no}\:{exact}\:{solution}\:{possible}. \\ $$$$\alpha\approx\mathrm{1}.\mathrm{3916} \\…
Question Number 135823 by Khakie last updated on 16/Mar/21 $${how}\:{can}\:{this}\:{be}\:{equal}??? \\ $$$${sin}\:{wt}\:\:=\:{e}^{−{at}} \: \\ $$$$ \\ $$ Commented by mr W last updated on 16/Mar/21…
Question Number 4723 by Yozzii last updated on 29/Feb/16 $${Does}\:{time}\:{exist}? \\ $$ Commented by prakash jain last updated on 29/Feb/16 $$\mathrm{Background}? \\ $$ Commented by…
Question Number 4707 by 314159 last updated on 28/Feb/16 $${Given}\:{that}\:\mathrm{2}{x}^{\mathrm{2}} +\mathrm{3}{px}−\mathrm{2}{q}\:{and}\:{x}^{\mathrm{2}} +{q}\:{have}\:{a} \\ $$$${common}\:{factor}\:{x}−{a}\:,\:{where}\:{p},{q}\:{and}\:{a}\:{are}\:{none}\: \\ $$$${zero}\:{constants}\:,\:{show}\:{that}\:\mathrm{9}{p}^{\mathrm{2}} +\mathrm{16}{q}=\mathrm{0}. \\ $$ Commented by prakash jain last updated…