The two adjacent sides of a rectangle are 2x2 – 5xy + 3z2 and 4xy – x2 – z2.

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asked May 16 in Class VIII Maths by priya12 (-12,269 points)

The two adjacent sides of a rectangle are 2x2 – 5xy + 3z2 and 4xy – x2 – z2. Find its perimeter.

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1 Answer

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answered May 16 by navnit40 (-4,290 points)

Adjacent sides of a rectangle are

2x2 – 5xy + 3z2 and 4xy – x2 – z2

∴ Perimeter = 2(2x2 – 5xy + 3z2 + 4xy – x2 – z2)

= 4x2 – 10xy + 6z2 + 8xy – 2x2 – 2z2

= 2x2 – 2xy + 4z2

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