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Unattributed TMUA Mock Set A Paper 2 · Q8

Paper 2Geometry

The maximum coefficient of the expansion of (1x+x2)6\left(\dfrac1x+x^2\right)^6 is aa. How big is the area between the line y=320axy=\dfrac3{20}ax and the curve y=x2y=x^2?

A32\frac32
B52\frac52
C72\frac72
D92\frac92

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