1302_HA2

1302_HA2 - EGR 1302 Homework Assignment #2 HA2-1. Using the...

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EGR 1302 Homework Assignment #2 HA2-1. Using the Rule for Inverses for 2x2 matrices, find the Inverse of 2 6 4 8 1 - 3 4 12 3 2 - 1 - 2 HA2-2. Write the set of Equations given by Ax=d. Find A -1 and calculate A -1 *d to find x and y. 4 8 2 6 x y 3 6 = HA2-3. Evaluate the Determinants by Row Expansion. Show your work. 3 2 - 1 - 2 1 2 2 - 1 - 0 1 3 3 1 2 - 0 1 3 1 1 - 2 1 - 0 0 0 2 3 7 2 - 2 HA2-4. Without evaluating, explain why the determinants of these matrices are zero.
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