exam
Maths Puzzle
Numerical Ability
[[[3y^2-2y-4=0}}}
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help.
7 square root of 48x Cubed subtract 8x square root of 108x.
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