Chemical Engineering > GATE 2015 > Optimization
The cost of two independent process variables f1 and f2 affects the total cost CT (in lakhs of rupees) of the process as per the following function: CT = 1000/(f1f2) + 20f12 + 50f22 + 50 The lowest total cost CT, in lakhs of rupees (up to one decimal place), is _______.

Correct : 572.0

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