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vovangra [49]
2 years ago
10

The area of a rectangle is expressed as ​x4​ ​ − 16​y^4​, determine & state the length and the width of the rectangle, expre

ssed as polynomials.
Mathematics
1 answer:
Bad White [126]2 years ago
7 0

Answer:

Step-by-step explanation:

16 = 2 *2 * 2 * 2 = 2⁴

16y⁴ = (2y)⁴

x⁴ - 16y⁴ = x⁴ - (2y)⁴

              = (x²)² - [ (2y)² ]²    

 {Use identity = a² -b² =(a +b)(a- b). Here a =x² & b =(2y)²}

              = (x² + (2y)² ) (x² - (2y)² )  

               = (x² + 4y²) (x² - 4y²)

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