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Qiuyun TMUA Simulation Test Paper 1 · Q11

Paper 1Algebra

Given that

f(x)=x4−3x2−6x+13−x4−x2+1f(x)=\sqrt{x^4-3x^2-6x+13}-\sqrt{x^4-x^2+1}

Which of the following is the maximum of f(x)f(x)?

A10\sqrt{10}
B232\sqrt3
C44
D252\sqrt5
E262\sqrt6

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