Answers

2016-04-19T21:09:28+05:30
7-2root3 is a rational no,let us take
take 7-2√3= a/b where a nd b r co-primes
5√3=a/b
√3=a/5b
here √3 is irrational no
our contrdution due to assumption is wrong
7-2√3 is irrational no.
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