# Question: In the expression for gr y G r y in Equation 6 3 1

In the expression for gr(y) = G’r(y) in Equation 6.3-1, let n = 6, and r = 3, and write out the summations, showing that the “telescoping” suggested in the text is achieved.

In equation 6.3-1

In equation 6.3-1

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