Posted by John on Saturday, March 15, 2008 at 3:05pm.
Well, it has to be negative, say -a if a is a positive number
because (-a)(-a)(-a) = -a^3
but
a*a*a = +a
so that deletes options a) and c) and d)
which leaves us with b)
try b)
(-.06)(-.06)(-.06) = -.000216
sure enough, b) works
I bet the other two roots are complex conjugates :)
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