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A window is in the form of rectangle above which there is a semi circle. If the perimeter of window is p units, show that the window will allow maximum light, when radius of the semicircle is \( \large\frac{p}{\pi + 4} \) units.
cbse
class12
modelpaper
2012
sec-c
q24
math
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asked
Jan 24, 2013
by
thanvigandhi_1
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edited
Jul 23, 2013
by
sreemathi.v
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