In the expansion of (x - 1)^5, what is the coefficient of x^3?

Practice Questions

1 question
Q1
In the expansion of (x - 1)^5, what is the coefficient of x^3?
  1. -10
  2. 10
  3. -5
  4. 5

Questions & Step-by-step Solutions

1 item
Q
Q: In the expansion of (x - 1)^5, what is the coefficient of x^3?
Solution: The coefficient of x^3 is C(5,3) * (-1)^2 = 10.
Steps: 0

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