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21x² - x - (2k +2) = 0- 4² - (-4)-2k2=016+ 4-2k-2018-2k=0R = 9 |
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Answer» Step-by-step explanation: 21 x² - x - (2k +2) = 0 - 4² - (-4)-2k2=0 16+ 4-2k- 20 18-2k=0 R = 921x²−x−(2k+2)=0−4²−(−4)−2k2=016+4−2k−2018−2k=0R=9 |
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