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A wire of length a is cut into two parts...

A wire of length `a` is cut into two parts which are bent, respectively, in the form of a square and a circle. The least value of the sum of the areas so formed is `(a^2)/(pi+4)` (b) `a/(pi+4)` `a/(4(pi+4))` (d) `(a^2)/(4(pi+4))`

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