The area of a rectangle is 4x + 9xsq
2 + 20 sq.units and its length is x
2 + 4 units.
Find its breadth in term of x.
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Answer:
Area of a rectangle
= 6x2 – 4xy – 10y2 sq. units
Length = 2x + 2y units
∴ Breadth = Area/Length
= (6x2 – 4xy – 10y2)/(2x + 2y)
= 3x + 5y units
Hence, breadth = 3x – 5y units
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