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Byju's Answer
Standard X
Mathematics
Irrational Numbers
Prove that 1+...
Question
Prove that 1+1/√2 is irrational
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Solution
Let us assume 1+1/√2 is rational
So it can be expressed like 1+1/√2 = a/b
1-a/b = 1/√2
b-a/b = 1/√2
b/b-a = √2
Rational not = irrational
So our assumption is wrong 1+1/√2 is irrational
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