If z = x 2 - xy + 3y 2 and (x, y) changes from (3, -1)
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If z = x2 - xy + 3y2 and (x, y) changes from (3, -1) to (2.96, 20.95), compare the values of Dz and dz.
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dx Ax 004 dy Ay 005 z z x ...View the full answer
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Sinmon Warui Kamau
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