prove that root 3- root 5 is an irrational number
Answers
Answered by
1
{ p and q are integer and co-prime, q is not equal to 0 }
Since we know that root 3 is irrational
So , Our assumption is wrong.
Hence root 3 - root 5 is irrational.
Answered by
0
Step-by-step explanation:
let
3
−
5
berational
\sqrt{3} - \sqrt{5} = \frac{p}{q}
3
−
5
=
q
p
{ p and q are integer and co-prime, q is not equal to 0 }
\sqrt{3} = \frac{p + \sqrt{5} }{q}
3
=
q
p+
5
Since we know that root 3 is irrational
So , Our assumption is wrong.
Hence root 3 - root 5 is irrational
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