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A sheet of poster has its area 18 m^(2...

A sheet of poster has its area `18 m^(2)`. The margin at the top & bottom are 75 cms . And at the sides 50 cms. Let e, n are the dimensions of the poster in meters when the area of the printed space is maximum . The value of `e ^(2) +n^(2)` is :

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RESONANCE-APPLICATION OF DERIVATIVES-Exersise-2 Part II
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