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Mathematics
Alexander Howe
23 March, 19:35
Explain why 2 + √ 3 is an irrational number.
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Mitch
23 March, 21:05
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The number 2+√3 is irrational, it cannot be expressed as a ratio of integers a and b. To prove that this statement is true, let us Assume that it is rational and then prove it isn't (Contradiction).
So the Assumptions states that:
(1) 2+√3
Where a and b are 2 integers
Now since we want to disapprove our assumption in order to get our desired result, we must show that there are no such two integers.
Squaring both sides give:
3=a/b
3=a^2 / b^2
what two number time itself (twice) can be divide by another number time itself (twice) to get 3
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