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Solve-x-2-1-lt-5-




Question Number 67574 by pete last updated on 28/Aug/19
Solve x^2 +1<−5
$$\mathrm{Solve}\:\mathrm{x}^{\mathrm{2}} +\mathrm{1}<−\mathrm{5} \\ $$
Commented by mathmax by abdo last updated on 28/Aug/19
(e)⇒x^2 +6<0   impossible equation ⇒no solution   we can t talk about C set because no law ordre in C
$$\left({e}\right)\Rightarrow{x}^{\mathrm{2}} +\mathrm{6}<\mathrm{0}\:\:\:{impossible}\:{equation}\:\Rightarrow{no}\:{solution}\: \\ $$$${we}\:{can}\:{t}\:{talk}\:{about}\:{C}\:{set}\:{because}\:{no}\:{law}\:{ordre}\:{in}\:{C} \\ $$

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