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JEE Math Practice Question

If the fourth term in the binomial expansion of $${\left( {{2 \over x} + {x^{{{\log }_8}x}}} \right)^6}$$ (x > 0) is 20 × 87, then a value of x is :

  1. A.8–2
  2. B.82
  3. C.83
  4. D.8

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