Odpowiedź: k= 0,4
[tex]\displaystyle k-\frac{1}{10} +\frac{3}{20} +k^{2} -\frac{1}{100} +\frac{2}{5} =1/\cdot 100\quad \\100k-10+15+100k^{2} -1+40-100=0\\100k^{2} +100k-56=0/:4\\25k^{2} +25k-14=0\\\Delta=2025\quad \sqrt{\Delta}= 45\\k_1=\frac{-25+45}{50} =\frac{2}{5} \qquad k_1=\frac{-25-45}{50} =-\frac{7}{5} < 0\\k=0,4[/tex]
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Odpowiedź: k= 0,4
[tex]\displaystyle k-\frac{1}{10} +\frac{3}{20} +k^{2} -\frac{1}{100} +\frac{2}{5} =1/\cdot 100\quad \\100k-10+15+100k^{2} -1+40-100=0\\100k^{2} +100k-56=0/:4\\25k^{2} +25k-14=0\\\Delta=2025\quad \sqrt{\Delta}= 45\\k_1=\frac{-25+45}{50} =\frac{2}{5} \qquad k_1=\frac{-25-45}{50} =-\frac{7}{5} < 0\\k=0,4[/tex]