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Beyond Horizon Set 2 Paper 1 · Q19

Paper 1Calculus

The smallest value of

I(a)=∫01(x2−2a)2 dx,I(a)=\int_0^1(x^2-2a)^2\,dx,

as aa varies, is

A521\frac{5}{21}
B641\frac{6}{41}
C823\frac{8}{23}
D11
E922\frac{9}{22}
F445\frac{4}{45}

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