Discussion

Explanation:

The given equation is 2x2 – 4x + a = 0

We have, a = 2, b = -4, c = a

For roots of a quadratic equation to be real and unequal D = b2 – 4ac > 0

⇒ 16 – 8a > 0

⇒ a < 2

Hence, option (b).

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