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    Find, to 2 decimal places, the roots of the equation:
    x-(2/x) = 2/5
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    (Original post by RDoh)
    Find, to 2 decimal places, the roots of the equation:
    x-(2/x) = 2/5
    times the x up, then the 5 so you get

    5x^2 - 10 = 2x

    rearrange and solve the quadratic
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    (Original post by RDoh)
    Find, to 2 decimal places, the roots of the equation:
    x-(2/x) = 2/5
    how about if u multiply both sides of the eqn by 5x.
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    (Original post by kikzen)
    times the x up, then the 5 so you get

    5x^2 - 10 = 2x

    rearrange and solve the quadratic
    Thanks

    I had that, I just didn't realise it was a quadratic! Very, very stupid of me. :rolleyes:
 
 
 
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