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algol [13]
2 years ago
6

Please help i don't know how to do this

Mathematics
1 answer:
GaryK [48]2 years ago
6 0

Step-by-step explanation:

y = (x - 4)/x = x/x - 4/x = 1 - 4/x

c = 1

r = -4

done ...

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A way to represent this is:

a\in\mathbb{R}\setminus\mathbb{Q}, b\in\mathbb{Q},ab\in\mathbb{Q}\implies a\in\mathbb{Q}\implies\text{Contradiction}\therefore ab\not\in\mathbb{Q}.

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