yair7
13.10.2020 •
Mathematics
let x and y be numbers, y ≠ 0 and let n be a positive integer. How is (x/y)^n related to x^n and y^n?
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Ответ:
Step-by-step explanation:
6---»
(4a²-6ab+9b²) (2a+3b) ; a=2, b=1
(4a²-6ab+9b²) (2a+3b)
(4×2×2-6×2×1+9×1×2) (2×2+3×1)
(16-12+18) (12)
22×12
264
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7---»
9x(6x-5y)-12x²(6x-5y)
(6x-5y) (9x-12x²)
(6x-5y) (3x) (3-4x)
3x (6x-5y) (3-4x)
______________________________________