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

Two adjacent sides are 2x2 – 5xy + 3z2 and 4xy – x2 – z.

Area of rectangle = (2x2 – 5xy + 3z2)× (4xy – x2 – z)

Area of rectangle = 2x2(4xy – x2 – z)-5xy(4xy – x2 – z) + 3z2(4xy – x2 – z)

Area of rectangle = 8x3y-2x4-2x2z-20x2y2 + 5x3y + 5xyz + 12xyz2-3x2z2-3z3

Perimeter of rectangle = 2× (2x2 – 5xy + 3z2 + 4xy – x2 – z)

Perimeter of rectangle = 2× (x2-xy + 3z2-z)

Perimeter of rectangle = (2x2-2xy + 6z2-2z)

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