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MathsJEE Main 6 Apr 2026, Shift 1·Q8·MCQ·Easy–moderate

Binomial Theorem · Middle term of binomial expansion

If the coefficients of the middle terms in the binomial expansions of (1+αx)26(1 + \alpha x)^{26} and (1−αx)28(1 - \alpha x)^{28}, α≠0\alpha \neq 0, are equal, then the value of α\alpha is:
  1. (1)1
  2. (2)1413\dfrac{14}{13}
  3. (3)277\dfrac{27}{7}
  4. (4)727\dfrac{7}{27}

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