SOLUTION: Find out the maximum and Minimum value of (a) 1z-21+1z-31 (b) 12z-11+13z-21

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Question 1083810: Find out the maximum and Minimum value of (a) 1z-21+1z-31
(b) 12z-11+13z-21

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Not clear.
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