Area = 35y^2 + 13 y -12.Give possible expressions for the length and breadth of each of the following rectangles in which areas are given andhence find their perimeter.
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Step-by-step explanation:
Area = 35y² + 13y - 12
= 35y² + 28y - 15y - 12
= 7y(5y + 4) - 3(5y + 4)
= (5y + 4)(7y - 3)
∴ The one with most value will be its Length, and the other one will be Breadth
Length = 5y + 4 , 7y - 3
Breadth = 5y + 4 , 7y - 3
Perimeter = 2( l + b)
= 2 ( 5y + 4 + 7y - 3)
= 2(12y + 1)
∴ Perimeter = 24y + 2
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