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Find the coefficient of x^5 in the expansion of (x + 1)^7.

Practice Questions

1 question
Q1
Find the coefficient of x^5 in the expansion of (x + 1)^7.
  1. 7
  2. 21
  3. 35
  4. 42

Questions & Step-by-step Solutions

1 item
Q
Q: Find the coefficient of x^5 in the expansion of (x + 1)^7.
Solution: The coefficient of x^5 is C(7,5) = 21.
Steps: 0

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