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What is the coefficient of x^4 in the expansion of (x + 1)^8? (2020)

Practice Questions

1 question
Q1
What is the coefficient of x^4 in the expansion of (x + 1)^8? (2020)
  1. 70
  2. 56
  3. 28
  4. 8

Questions & Step-by-step Solutions

1 item
Q
Q: What is the coefficient of x^4 in the expansion of (x + 1)^8? (2020)
Solution: The coefficient of x^4 is C(8,4) = 70.
Steps: 0

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