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I'm not familiar with the "bisection method" to find the roots of 2x2-5x+1 = 0 but by completing the square or using the quadratic equation formula you'll find that the solution is:

x = (5 + or - the square root of 17) over 4

Hope that helps.

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Q: To find the roots of 2xx-5x plus 1 equals 0 by bisection method?
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