If the equation x2 – ax + 1 = 0 has two distinct roots, then

If roots of given equation are distinct then


d = b2 – 4ac > 0


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


So, a2 – 4(1) (1) >0


a2 – 4 > 0


a2 >4


|a| > 2

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