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Prove that √ 2 - 1 is irrational​
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Prove that √ 2 - 1 is irrational​

User Hamza Arshad
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Answer:

a+b/2b is an rational no. because LHS is always equal to RHS. therefore our assumption is wrong. hence , 2√2-1 is an irrational number.

User Evan Jones
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