If f (x) = x 2 – 3x + 1 and f (2α) = 2 f (α), then α is equal to

Mathematics · JEE Main · NTA Exams — Sets, Relations and Functions

1. \(\frac{1}{\sqrt{2}}\)
2. \(-\frac{1}{\sqrt{2}}\)
3. \(\frac{1}{\sqrt{2}} \text { or }-\frac{1}{\sqrt{2}}\)
4. none of these

Answer

(C) 1 2 or - 1 2

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