120
1. The cost per mile of an electric cable is given by C- +600q, where q is cross section
9
in square inches. Find the cross section of which the cost is least and find the least cost per
mile.
205 Find the Minimum Average Cost.
4
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120
1. The cost per mile of an electric cable is given by C- +600q, where q is cross section
9
in square inches. Find the cross section of which the cost is least and find the least cost per
mile.
205 Find the Minimum Average Cost.
4
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