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What is the sum of the coefficients in the expansion of (2x - 3)^4?

Practice Questions

1 question
Q1
What is the sum of the coefficients in the expansion of (2x - 3)^4?
  1. -81
  2. 81
  3. 0
  4. 64

Questions & Step-by-step Solutions

1 item
Q
Q: What is the sum of the coefficients in the expansion of (2x - 3)^4?
Solution: To find the sum of the coefficients, substitute x = 1: (2*1 - 3)^4 = (-1)^4 = 1. The sum of coefficients is 81.
Steps: 0

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