Question Number 91362 by ar247 last updated on 30/Apr/20
Commented by jagoll last updated on 30/Apr/20
$${false} \\ $$
Commented by Tony Lin last updated on 30/Apr/20
$$\mathrm{0}\:{should}\:{not}\:{be}\:{divided} \\ $$
Commented by ar247 last updated on 30/Apr/20
$${so}\:{how}\:{to}\:{make}\:{this}\:{statment}\:{true}? \\ $$
Answered by MJS last updated on 30/Apr/20
$$\frac{{x}^{\mathrm{2}} −{y}^{\mathrm{2}} }{{x}^{\mathrm{2}} −{y}^{\mathrm{2}} }\:\mathrm{is}\:\mathrm{not}\:\mathrm{defined}\:\mathrm{for}\:{x}={y} \\ $$$$\mathrm{what}\:\mathrm{you}\:\mathrm{do}\:\mathrm{here}\:\mathrm{is}\:\mathrm{not}\:\mathrm{mathematics},\:\mathrm{it}'\mathrm{s} \\ $$$$\mathrm{just}\:\mathrm{drawing}\:\mathrm{mathematical}\:\mathrm{symbols} \\ $$
Commented by $@ty@m123 last updated on 30/Apr/20
$${Mr}.\:{ar}\:\mathrm{247}\:{used}\:{to}\:{solve}\:{equations} \\ $$$${like}\:{this}: \\ $$$${Q}.\:{Solve}:\:\mathrm{5}{x}−\mathrm{25}=\mathrm{4}{x}−\mathrm{20} \\ $$$${A}.\:\mathrm{5}\left({x}−\mathrm{5}\right)=\mathrm{4}\left({x}−\mathrm{5}\right) \\ $$$$\Rightarrow\mathrm{5}=\mathrm{4} \\ $$$$\left.:\left.\right)\left.\:\::\right)\:\::\right) \\ $$