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Beyond Horizon Set 1 Paper 1 · Q15

Paper 1Algebra

The values of mm for which mx2−6mx+5m+1>0mx^2-6mx+5m+1>0 for all real xx is

A0<m<140<m<\frac14
B0≤m<180\le m<\frac18
Cm>0m>0
D0≤m<140\le m<\frac14
Em<0m<0
Fm=0m=0

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