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Hi
Hope this helps you.....
Let 2√3-√11 be a rational no. R.
Therefore,
R=2√3-√11
R-2√3= -√11
2√3-R=√11
Since the set of rational numbers are closed with respect to subtraction.
Therefore, √11 is a rational no.
But We know that √11 is irrational.
Hence our supposition was wrong.
2√3-√11 is irrational.
Hope this helps you.....
Let 2√3-√11 be a rational no. R.
Therefore,
R=2√3-√11
R-2√3= -√11
2√3-R=√11
Since the set of rational numbers are closed with respect to subtraction.
Therefore, √11 is a rational no.
But We know that √11 is irrational.
Hence our supposition was wrong.
2√3-√11 is irrational.
Answered by
1
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sonali116:
your answer is wrong
I solved it
oo really
please send me
but how can i send u... i mean solutions is big in writing it will take tine
u have done a silly mistake
where
u may send me on my fb
can u?
u ask this same question i will answer u
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