Application of Derivatives
Twenty metres of wire is available for fencing off a flower-bed in the form of a circular sector. Then the maximum area (in sqm˙)of the flower-bed is: 25 (2) 30 (3) 12.5 (4) 10
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The line y=x+1is a tangent to the curve y2=4xat the point(A) (1,2) (B)(2,1) (C) (1,2) (D) (1,2)
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