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Statement 1 : If cos^2\ pi/8 is a root o...

Statement 1 : If `cos^2\ pi/8` is a root of the equation `x^2+ax+b=0,` where `a,b in QQ,` then ordered pair `(a,b)` is `[-1, 1/8].` Statement 2: If `a + mb = 0` and m is irrational, then `a, b=0.`

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