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What is the sum of the coefficients in the expansion of (x + 2)^5? (2021)

Practice Questions

1 question
Q1
What is the sum of the coefficients in the expansion of (x + 2)^5? (2021)
  1. 32
  2. 64
  3. 96
  4. 128

Questions & Step-by-step Solutions

1 item
Q
Q: What is the sum of the coefficients in the expansion of (x + 2)^5? (2021)
Solution: The sum of the coefficients is found by substituting x=1. So, (1 + 2)^5 = 3^5 = 243.
Steps: 0

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