Latest exam Aptitude Question SOLUTION: How many positive real numbers 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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(#M40121514) EXAM Numerical Ability question Keep an EYE

How many positive real numbers 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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