Prove that 6+√2 is irrational?
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So, we can find coprime integers a and b ( ≠ 0 )
such that
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Answer:
Let us assume that 6+√2 is rational.
That is , we can find coprimes a and b (b≠0) such that
⇒
⇒
Since , a and b are integers , is rational ,and so √2 is rational.
But this contradicts the fact that √2 is irrational.
So, we conclude that 6+√2 is irrational.
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