1. How many positive real roots does x4 - 5x2 + 4 = 0? a) 1 b) 2 c)3
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1. How many positive real roots does x4 - 5x2 + 4 = 0? a) 1 b) 2 c)3
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Answer:
c
Step-by-step explanation:
because is c c is the correct answer