Latest exam Aptitude Question SOLUTION: How many positive real solutions are there in: f(x)=x^4-4x^3+6x^2-4x+1 a)1 or 0 b)2 or 0 c)4 or 2 d)2 or 0

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(#M40134806) EXAM Numerical Ability question Keep an EYE

How many positive real solutions are there in:
f(x)=x^4-4x^3+6x^2-4x+1
a)1 or 0
b)2 or 0
c)4 or 2
d)2 or 0

Asked In exam (9 years ago)

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