(October 26, 2016 at 1:52 am)robvalue Wrote:(October 25, 2016 at 9:58 pm)FallentoReason Wrote: Any equation where the constant is positive will do.
E.g. x^2 + 4
Let's test where it intersects the x axis:
x^2 + 4 = 0
=> x^2 = -4
therefore, x = 2i
Also x = -2i
Oops, thanks for the correction!
"It is the mark of an educated mind to be able to entertain a thought without accepting it" ~ Aristotle
