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A wire of length 28 m is to be cut into ...

A wire of length 28 m is to be cut into two pieces, one of the pieces is to be made into a square and the other into a circle. What should be the length ·of two pieces so that the combined area of the square and the circle is minimum ?

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PRADEEP PUBLICATION-APPLICATIONS OF DERIVATIVES-EXERCISE
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  3. A wire of length 28 m is to be cut into two pieces, one of the pieces ...

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  9. For all real values of x, the minimum value of (1-x+x^2)/(1+x+x^2 is:

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