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Find the coefficient of x^5 in the expansion of (2x - 3)^7. (2023)

Practice Questions

1 question
Q1
Find the coefficient of x^5 in the expansion of (2x - 3)^7. (2023)
  1. 168
  2. 252
  3. 336
  4. 504

Questions & Step-by-step Solutions

1 item
Q
Q: Find the coefficient of x^5 in the expansion of (2x - 3)^7. (2023)
Solution: The coefficient of x^5 is C(7,5) * (2)^5 * (-3)^2 = 21 * 32 * 9 = 6048.
Steps: 0

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