Matematyka
loops12
2018-07-11 11:10:57
Hej,rozwiąże ktoś zadania:1.86,1.87,1.88 i 1.89?
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imaginexdd
2018-07-11 15:49:58

hyba 87867hyba tak??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

kamilusia1825
2018-07-11 15:51:13

1.87 [latex]a) 5^{0} , 3- sqrt{3} , pi /3 b) -1, 2/3 , 8 c)-5,-3.1 d) 5/2 , 2 sqrt{2} [/latex] ·[latex]1.89 a) x+2 leq 1 x leq -1 b)5x geq 15 /:5 x geq 3 c)-3 ·x[/latex]>0 /:(-3) [latex]x extless 0 [/latex][latex]d) -2 x^{2} leq 0/:(-2) x^{2} geq 0 x geq 0 e) x^{2} extgreater -6 x extgreater sqrt{-6} f) x^{2} +2 extless 0 x^{2} extless -2 x extless sqrt{-2} g) (x+1)^{2} leq 0 x+1 leq 0 x leq -1 h) (3-x)^{4} extgreater 0 3-x extgreater 0 -x extgreater -3 x extgreater 3 i) -x^{2} -3 geq -1 -x^{2} -3 geq 2 x geq sqrt{-2} j) - (x+2)^{2} leq 1 -(x+2) leq 1 -x-2 leq 1 x leq -3 k) (x-4)^{2} extgreater 0 x-4 extgreater 0 x extgreater 4 l) (7-x)^{2} leq 0 7-x leq 0 x leq 7 [/latex]

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