If the equation `x^2-a x+1=0` has two distinct roots, then `|a|=2` (b) `|a|<2` (c) `|a|>2` None of these

Explanation

If roots of given equation are distinct then `d = b^2 – 4ac > 0 `


Here a = 1, b = a, c = 1


So, `a^2 – 4(1) (1) >0 `


` a^2 – 4 > 0`


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