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StepMaths Mock Paper 1 · Q1

Paper 1Algebra

Given that the coefficient of x2x^2 in the expansion of (1+x2)(3−2x)n(1+x^2)(3-2x)^n is 1323, is nn even or odd?

AOdd
BEven
CEither, but more odd solutions
DEither, but more even solutions
EThere are no solutions

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