[Solved] How many real roots does x^4 - 2x^2 + 1 = 0 have? …

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virat

2 weeks, 1 day ago

How many real roots does x^4 - 2x^2 + 1 = 0 have?
A. 0
B. 1
C. 2
D. 3
E. 4

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