Prove that root 2 root 3 is irrational
Asked by admin @ in Math viewed by 333 People
Prove that root2 +root 3 is irrational
Asked by admin @ in Math viewed by 333 People
Prove that root2 +root 3 is irrational
Answered by admin @
Solution:
Let us suppose that √2+√3 is rational.
Let √2+√3=,
where a,b are integers and b≠0
Therefore,
On Squaring both sides , we get
Rearranging the terms ,
Since , a,b are integers ,
is rational, and so √3 is rational.
This contradicts the fact √3 is irrational.
Hence, √2+√3 is irrational.
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