The sides of the triangle are x2 - 3xy + 2y2 , 5x2 + xy + 7y2 and 6 – 5y2 + 4 x2 . find its perimeter .
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The sides of the triangle are x² - 3xy + 2y² , 5x² + xy + 7y² and 6 – 5y² + 4x². find its perimeter
Step-by-step explanation:
Perimeter = x² - 3xy + 2y² + 5x² + xy + 7y² + 6 –5y² + 4x².
=> ( x²+5x²+4x²)+(2y²+7y²-5y²)+(-3xy+xy)
=> 9x²+4y²-2xy
I hope it will be helpful to you friend .
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