$\"\"$

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The rectangular page is to contain print of $\"\"$ .

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The margins on each side are $\"\"$ .

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$\"\"$

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Let $\"\"$ be the width of the print on the page and $\"\"$ be the length of the print on the page.

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$\"\"$

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$\"\"$ .

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The length of the page is $\"\"$ .

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The width of the page is $\"\"$ .

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The area of the total page is $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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$\"\"$

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Apply derivative on each side with respect to $\"\"$ .

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$\"\"$

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$\"\"$ .

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Find the critical numbers by equating derivative to zero.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$ .

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The length of the page is $\"\"$ .

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Substitute $\"\"$ .

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The length of the page is $\"\"$ ..

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The width of the page is $\"\"$ .

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Substitute $\"\"$ .

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The width of the page is $\"\"$ .

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$\"\"$

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The length of the page is $\"\"$ .

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The width of the page is $\"\"$ .