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AP EAMCET2020MathematicsBinomial Theorem

In the binomial expansion of (a-b)^n, n 5 , the sum of the 5^ th and 6^ th terms is zero. Then the value of a b is

Options

  1. An-2 3
  2. Bn-4 5
  3. Cn-5 7
  4. Dn-1 3

Correct answer

B. n-4 5

Step-by-step solution

No solution. Refer to answer key.

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