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What is the sum of the coefficients in the expansion of (x + 1)^8?

Practice Questions

1 question
Q1
What is the sum of the coefficients in the expansion of (x + 1)^8?
  1. 256
  2. 512
  3. 128
  4. 64

Questions & Step-by-step Solutions

1 item
Q
Q: What is the sum of the coefficients in the expansion of (x + 1)^8?
Solution: The sum of the coefficients in the expansion of (x + 1)^n is given by (1 + 1)^n = 2^n. Here, n=8, so the sum is 2^8 = 256.
Steps: 0

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