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Solution: What is the sum of the coefficients of the expansion (2x–1)^20?

(Last Updated On: January 21, 2020)

What is the sum of the coefficients of the expansion (2x – 1)^20?

Problem Statement: ECE Board November 1995

What is the sum of the coefficients of the expansion (2x–1)^20?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Problem Answer:

The sum of the coefficients of the expansion is 0.

View Solution:
Solution: What is the sum of the coefficients of the expansion (2x–1)^20?

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