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UPSC NDA Math Model Paper 5

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Question : 13

Total: 120

For the given curve: y=2x−x2 , when x increases at the rate of 3 units/sec, then how the slope of curve changes?

Increasing, at 6 units/sec
decreasing, at 6 units/sec
Increasing, at 3 units/sec
decreasing, at 3 units/sec

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