baxterpaiige8713 baxterpaiige8713
  • 11-03-2024
  • Mathematics
contestada

If α and β be the coefficients of x₄ and x₂ respectively in the expansion of (x + x² - 1)⁶ + (x - x² - 1)⁶, then:

a. α + β = -30
b. α - β = -132
c. α + β = 60
d. α - β = 60

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