1 2 Given (x - 1) X write down the following terms in the expansion: .1.1 The first term. 1.2 The middle term and simplify your answer. 1.3 The last term. Find only z using Cramèr's rule given the following simultaneous equations: x+2y-z=-1 3x-y+z=4 y+z=1
1 2 Given (x - 1) X write down the following terms in the expansion: .1.1 The first term. 1.2 The middle term and simplify your answer. 1.3 The last term. Find only z using Cramèr's rule given the following simultaneous equations: x+2y-z=-1 3x-y+z=4 y+z=1
Chapter8: Sequences, Series,and Probability
Section8.5: The Binomial Theorem
Problem 7ECP
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