CBSE Class 10 Answered
to state an irrational number
Asked by vskksv | 12 Mar, 2008, 10:44: AM
Expert Answer
let 
6+ 2 be rational,
this implies ( 6+ 2)^2 is rational.
so, 6+2+2 12 is rational
this implies 8+2 12 is rational.
but 12 is irrational. this implies 2 12 is irrational
therefore, 8+2 12 is irrational.
so our assumption is wrong.
hence, 6+2 is a irational number .
Answered by | 12 Mar, 2008, 12:58: PM
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