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Solution: What is the sum of the coefficients in the expansion (x+ y–z)^8?

Solution: What is the sum of the coefficients in the expansion (x+ y–z)^8?

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(Last Updated On: January 21, 2020)

What is the sum of the coefficients in the expansion (x + y – z)^8?

Problem Statement: ECE Board April 1995

What is the sum of the coefficients in the expansion (x+y–z)^8?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Problem Answer:

The sum of the coefficients in the expansion is 1.

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Solution: What is the sum of the coefficients in the expansion (x+ y–z)^8?

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