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Question-158503




Question Number 158503 by cortano last updated on 05/Nov/21
Commented by MJS_new last updated on 05/Nov/21
(1) the equation has only one real solution  x=2∧y=3
$$\left(\mathrm{1}\right)\:\mathrm{the}\:\mathrm{equation}\:\mathrm{has}\:\mathrm{only}\:\mathrm{one}\:\mathrm{real}\:\mathrm{solution} \\ $$$${x}=\mathrm{2}\wedge{y}=\mathrm{3} \\ $$
Commented by Rasheed.Sindhi last updated on 05/Nov/21
a^2 +2b^2 =4ab+7  ?
$${a}^{\mathrm{2}} +\mathrm{2}{b}^{\mathrm{2}} =\mathrm{4}{ab}+\mathrm{7}\:\:? \\ $$
Commented by cortano last updated on 05/Nov/21
in my book is a^2 +2b^2 =4b+7 sir  maybe it typo
$${in}\:{my}\:{book}\:{is}\:{a}^{\mathrm{2}} +\mathrm{2}{b}^{\mathrm{2}} =\mathrm{4}{b}+\mathrm{7}\:{sir} \\ $$$${maybe}\:{it}\:{typo}\: \\ $$
Commented by Rasheed.Sindhi last updated on 06/Nov/21
When there′s only one value of x+y  what is the question of min? min  requires comparison with other  values but here there′s no other value.
$${When}\:{there}'{s}\:{only}\:{one}\:{value}\:{of}\:{x}+{y} \\ $$$${what}\:{is}\:{the}\:{question}\:{of}\:{min}?\:{min} \\ $$$${requires}\:{comparison}\:{with}\:{other} \\ $$$${values}\:{but}\:{here}\:{there}'{s}\:{no}\:{other}\:{value}. \\ $$
Commented by cortano last updated on 06/Nov/21
min x+y =5 ?
$${min}\:{x}+{y}\:=\mathrm{5}\:? \\ $$

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