If (1 + 2x – x^2)^6 = a₀ + a₁x + a₂x² + … + a₁₂x¹²,
then what is a₀ – a₁ + a₂ – a₃ + a₄ – … + a₁₂ equal to?
Mathematics
2020
NDA Mathematics 2020
NDA 2020
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