# Geometric series and matrix

1. Suppose that A = ... and C = ... (see attachment). Find a matrix for B such that AB = C or prove that no such matrix exists

2. Find the sum ... (see attachment)

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A.

Solution:

Let B , then .

By matrix product ...

#### Solution Summary

Find a matrix for B such that AB = C or prove that no such matrix exists

Find the sum of the given geometric series.

$2.19