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If one root of the quadratic equation 2x²+kx-2=0is -2. find value of K. |
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Answer» ong>Answer: x = -2 2(-2)2+k(-2)-2= 0 2(4)-2k-2= 0 8-2k-2 = 0 6-2k = 0 2k = 6 k = 3 |
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