Prove that √2 is irrattional
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To prove that the square root of 2 is irrational is to first assume that its negation is true. Therefore, we assume that the opposite is true, that is, the square root of 2 is rational. ... So, 2 = a b \sqrt 2 = {\Large{{a \over b}}} 2 =ba where a and b are integers but b ≠ 0 b \ne 0 b=0.
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√2
Method Of Contradiction
let √2 be a rational number that is it can be expressed in the form of p/q where p and q are integers and q ≠0
squaring b/s
hence , we can say that p is the multiple of 2
Let p = 2m
hence , we can say that q is also a multiple of 2
but , p and q were co - primes
hence , we can say our contradiction is wrong .
.°. √2 is irrational number
hence prooved
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