Two adlacent sides of a rectangle
are 3x - sy & 7x²-xy. Find the perimeter
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Step-by-step explanation:
Adjacent sides in rectangle are lenght and base
Perimeter of rectangle =2(length+breadth)
Perimeter =2(3x²−5y²+7x²−xy)
Perimeter =2(10x²−5y²−xy)
Perimeter =20x²−10y²−2xy.
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