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In the expansion of (2x - 5)^5, what is the coefficient of x^2? (2021)

Practice Questions

1 question
Q1
In the expansion of (2x - 5)^5, what is the coefficient of x^2? (2021)
  1. -300
  2. -600
  3. 600
  4. 300

Questions & Step-by-step Solutions

1 item
Q
Q: In the expansion of (2x - 5)^5, what is the coefficient of x^2? (2021)
Solution: The coefficient of x^2 is C(5,2) * (2)^2 * (-5)^3 = 10 * 4 * (-125) = -5000.
Steps: 0

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