Mathematics, 16.10.2019 07:30 winwinphyo
Tomas learned that the product of the polynomials (a + b)(a2 – ab + b2) was a special pattern that would result in a sum of cubes, a3 + b3. his teacher put four products on the board and asked the class to identify which product would result in a sum of cubes if a = 2x and b = 1which product should tomas choose?
Answers: 3
![(2 x)^3 +1^3\\\\=8x^3+1\\\\=(2 x+1)[(2x)^2-2 \times 2x \times 1 +1^2]\\\\=(2 x+1)[4x^2-4 x +1]](/tpl/images/0324/5192/e8745.png)
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Tomas learned that the product of the polynomials (a + b)(a2 – ab + b2) was a special pattern that w...
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