Levi W.

asked • 02/20/15

Prove: 3(v2)-5 is irrational given that v2 is irrational? Please Help!?

I have tried direct proof and proof by contradiction.
Prove: 3(√2)-5 is irrational given that √2 is irrational
Thats pretty much it, I have had a few starts but they dont go anywhere.  

1 Expert Answer


Terry W. answered • 02/20/15

Experienced Tutor Specializing in STEM Subjects

Levi W.

Thank you very much, I have been struggling with this problem and this has set me on the right path.  Thanks you for not just doing it but explaining it as well!


Ryan A.

Wow- the proof explanation was fantastic! Two thumbs up!!


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