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In the financial pages of a newspaper, one can sometimes find a table (or matrix) listing the exchange ratesbetween currencies. In this exercise we will considera miniature version of such a table, involving onlythe Canadian dollar (C$) and the South African Rand(ZAR). Consider the matrix
representing the fact tha C$1 is worth ZAR8 (as ofSeptember 2012).
a. After a trip you have C$100 and ZAR 1,600 in yourpocket. We represent these two values in the
b. Verify that matrix A fails (o be invertible. For whichvectors
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Chapter 2 Solutions
Linear Algebra With Applications
- If A and B are matrices with the same dimension and k is a real number, how do you find A+B and kA ?arrow_forwardWhat is the row-echelon form of a matrix? What is a leading entry?arrow_forwardConsider the matrix A=[2314]. Show that any of the three types of elementary row operations can be used to create a leading 1 at the top of the first column. Which do you prefer and why?arrow_forward
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