Mathematics
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    cos(πx)≥1
    cosπx≥1
    cosπx≥0
    X²+2X-3≥0
    -6X²+5X+4≥0
    (2m+1)^2-4(m^2-2)≥0
    25x+45(60-x)≥2160
    45x+35(60-x)≥2350
    (11/60000)*x^2+2>2*x*sqrt(22/60000)
    2-x/x+3>1
    2x-1/3x+1≥0
    4X²-4X+1>0
    -9X²+6X≤2
    2X²+5X-3X<0
    1/x+6/xlnx^2>0
    −6/xln2(x)+1/x>0
    ln(x)+6/ln(x)+4>0
    -100t+10000<1815
    3x(x-3)>(x-1)(x+2)-(2x-3)(2-x)
    4x^2-9x>-8

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