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Vedmedyk [2.9K]
3 years ago
6

Please help me with these two. i have no teacher and i do not recall trhis

Mathematics
1 answer:
Marianna [84]3 years ago
5 0

Answer:

It shows a contradiction because (a − 4b) / b is a rational number and √5 is an irrational number.

Step-by-step explanation:

A rational number can be written as a ratio of two integers.

An irrational number cannot.

(a − 4b) / b is a rational number.

√5 is an irrational number.

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2 years ago
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Gwar [14]

Answer:

Step-by-step explanation:

We would assume that triangle ABC is a right angled triangle. This means that we can apply Pythagoras theorem in determining the unknown side length.

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For the case of the maximum side length, we would assume that the unknown length, L is one of the hypotenuse of the triangle. By applying Pythagoras theorem, it becomes

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