MAT 1302 Midterm: wm13-2
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MAT 1302 Full Course Notes
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The reverse side of pages is for scrap work. If you nd that you need extra space in order to answer a particular question, you should continue on the reverse side of the page and indicate this clearly. Please do not write in the table below. Note that more than one statement may be true. Question 2. (a) [3 points] write down a system of equations describing the ow in the following network. You do not need to solve the system. Mat 1302a second midterm test white version (b) [2 points] the reduced row echelon form of the augmented matrix for the linear system from part (a) is. Write the general solution for the ow in the network. Indicate the ranges of possible values of any free variables (that is, give any minimum and maximum values of any free variables). Question 4. (a) [4 pts] show that the following matrix is invertible and nd its inverse:
