Math, asked by Pravalka, 2 months ago

can anyone answer to the questions in the picture
please

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Answered by sweetmickyjoshi1

0

1) Perimeter of rectangle= 2( length+ breadth)

= 2 ( 7x²+xy + 3x²-5y²)

= 2 (10x² - xy - 5y²)

= 20x² - 2xy - 10y²

Hence, the perimeter of the rectangle is 20x² - 2xy - 10y².

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