Question Number 200019 by hardmath last updated on 12/Nov/23
Answered by mr W last updated on 12/Nov/23
Commented by hardmath last updated on 12/Nov/23
$$\mathrm{very}\:\mathrm{nice}\:\mathrm{dear}\:\mathrm{pfofessor}… \\ $$
Commented by hardmath last updated on 13/Nov/23
$$\mathrm{dear}\:\mathrm{professor} \\ $$$$\mathrm{is}\:\mathrm{there}\:\mathrm{a}\:\mathrm{sequel}\:\mathrm{to}\:\mathrm{this}? \\ $$
Commented by mr W last updated on 13/Nov/23
$${there}\:{is}\:{no}\:{unique}\:{solution}\:{for}\:{x}−{y}=?. \\ $$
Commented by hardmath last updated on 14/Nov/23
$$\mathrm{yes}\:\mathrm{it}\:\mathrm{can}\:\mathrm{dear}\:\mathrm{professor}\:\mathrm{thank}\:\mathrm{you} \\ $$
Commented by mr W last updated on 14/Nov/23
$${you}\:{don}'{t}\:{agree}\:{that}\:{there}\:{is}\:{no} \\ $$$${unique}\:{solution}? \\ $$
Commented by hardmath last updated on 14/Nov/23
$$\mathrm{dear}\:\mathrm{professor},\:\mathrm{I}\:\mathrm{think},\:\mathrm{x}<\mathrm{y} \\ $$
Commented by mr W last updated on 14/Nov/23
$${it}\:{doesn}'{t}\:{matter}\:{that}\:{x}<{y}.\:{but}\:{the} \\ $$$${question}\:{x}−{y}=?\:{has}\:{no}\:{unique}\:{answer}. \\ $$$${or}\:{do}\:{you}\:{have}\:{a}\:{problem}\:{with}\:{things} \\ $$$${like}\:\mathrm{2}−\mathrm{4}\:? \\ $$
Commented by mr W last updated on 14/Nov/23
$${in}\:{this}\:{question}\:{you}\:{can}\:{not} \\ $$$${determine}\:{x}−{y}\:{or}\:{y}−{x}. \\ $$
Commented by hardmath last updated on 14/Nov/23
$$\mathrm{Do}\:\mathrm{you}\:\mathrm{think}\:\mathrm{the}\:\mathrm{side}\:\left(\mathrm{length}\right)\:\mathrm{can}\:\mathrm{be} \\ $$$$\mathrm{negative}? \\ $$
Commented by mr W last updated on 14/Nov/23
$${x}\:<{y}\:{means}\:{only}\:{that}\:{the}\:{side}\:{x}\:{is} \\ $$$${shorter}\:{than}\:{the}\:{side}\:{y}.\:{it}\:{doesn}'{t} \\ $$$${mean}\:{that}\:{the}\:{length}\:{of}\:{side}\:{x}\:{is}\: \\ $$$${negative}\:!!! \\ $$
Commented by mr W last updated on 14/Nov/23
$${where}\:{did}\:{you}\:{get}\:{this}\:{bad}\:{question}? \\ $$
Commented by hardmath last updated on 14/Nov/23
$$\mathrm{So}\:\mathrm{the}\:\mathrm{question}\:\left(\mathrm{condition}\right)\:\mathrm{is}\:\mathrm{wrong}… \\ $$
Commented by mr W last updated on 14/Nov/23
$${a}\:{non}−{sense}\:{question}. \\ $$
Commented by hardmath last updated on 14/Nov/23
$$\mathrm{I}\:\mathrm{posted}\:\mathrm{it}\:\mathrm{here}\:\mathrm{to}\:\mathrm{clarify}\:\mathrm{that}\:\mathrm{it}\:\mathrm{was} \\ $$$$\mathrm{wrong}… \\ $$
Commented by hardmath last updated on 14/Nov/23
$$\mathrm{Yes}\:\mathrm{dear}\:\mathrm{professor}\:\mathrm{thank}\:\mathrm{you} \\ $$