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

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

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?

Problem Answer:

The sum of the coefficients in the expansion is 1.

Solution:

Online Questions and Answers in Quadratic Equation, Binomial Theorem and Logarithms


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