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Q.

If the minimum value of an objective function Z = ax + by occurs at two points (3, 4) and (4, 3), then: 

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a

3a=b

b

a=3b

c

a+b=0

d

a=b

answer is B.

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Detailed Solution

As the minimum value occurs at (3,4) and (4,3)
therefore, 3a+4b=Z&4a+3b=Z
Therefore, a=b.
 

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