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Qiuyun TMUA Simulation Test Paper 1 · Q1

Paper 1Algebra

The coefficient of x5x^5 in the expansion of (ax2+3x+2)3(ax^2+3x+2)^3 is 81.

Find all possible values of the constant aa.

A±9\pm9
B±6\pm6
C±3\pm3
D±1\pm1
EThere are no possible values of aa.

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