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5 marksMatrices and Systems of Linear Equations

CAPE Pure Mathematics Unit 2 · May/June 2013 · Paper 2 · Question 5(b)(ii)

The augmented matrix for another system is formed by replacing the THIRD row of A in (i) above with (1 \; -5 \; 5 \mid 3). Determine whether the solution of the new system is unique. Give a reason for your answer.

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