Prove
that
given
5-root 3 is irrational of it is given that root 3 is irrational
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Answer:
hence 5-√3 is an irrational number
proved.
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Given :-
√3 is an irrational number
To Prove :-
5 - √3 is an irrational number
Solution :-
Consider 5 - √3 be a rational number
We can write this rational number as p/q form where q not equal to zero
5 - √3 = p/q
5 - p/q = √3
(5q - p)/q = √3
Since , both p and q are integers
Now ,
(5p - q)/q is a rational number and √3 is also a rational number
But our assumption is wrong because √3 is an irrational number
Thus , 5 - √3 is an irrational number
Hence , proved
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