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Official Specimen Paper 1 · Q20

Paper 1Algebra

The coefficient of x2x^2 in the expansion of (4−x2)[(1+2x+3x2)6−(1+4x3)5](4-x^2)[(1+2x+3x^2)^6-(1+4x^3)^5] is

A2828
B7272
C7878
D192192
E240240
F310310
G312312

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