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The area of a square is 81 cm² If the same amount is added to one dimension and removed from the other, the resulting rectangle has an area 9 Cm² less than the area of the square. How much is added and subtracted?

The area of a square is 81 cm² If the same amount is added to one dimension and removed from the other, the resulting rectangle has an area 9 Cm² less than the area of the square. How much is added and subtracted?

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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The area of a square is 81 cm² If the same amount is added to one dimension and removed from the other, the resulting rectangle has an area 9 cm² less than the area of the square. How much is added and subtracted?
Transcribed Image Text:The area of a square is 81 cm² If the same amount is added to one dimension and removed from the other, the resulting rectangle has an area 9 cm² less than the area of the square. How much is added and subtracted?
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