The rational root of the equation 2x^3-x^2-4x+2=0 is
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Answer:1/2
Step-by-step explanation:
2×(1/2)^3-(1/2)^2-4×1/2+2=0
2×(1/8)-1/4-2+2=0
1/4-1/4=0
Therfore x=1/2
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