MathematicsHardHigh School (11–12)Functions and Calculus › Application of DerivativesA-LevelAEEE (Amrita)AMUEEEAPAP EAPCETBCECECOMEDK UGETGUJCETIBJCECEJKCETKCETKEAMKIITEELPUNESTMET (Manipal)MHT-CETOJEESRMJEEETS EAPCETUPESEATVITEEE
Created by StemPy LabA closed cylindrical tin must hold . The metal used is least when the height of the tin is twice its radius. What is the radius of that tin?
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← A function has the derivative f'(x) = (x - 1)²(x + 2)(x - 4). At which values of x does f have a local minimum?A wire of length 28 cm is cut into two pieces. One piece is bent into a square and the other into a circle of radius r. The sum of the two areas is least when x = 2r, where x is the side of the square. What is the radius r of the circle? →
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