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#2 - exclamation
Reply 0
(07/08/2012) [-]
False; "i" is.

inb4 grammar nazis.
#10 to #2 - iwanttousenumbers
Reply 0
(07/09/2012) [-]
i is used to represent the square root of negative 1
#11 to #10 - exclamation
Reply 0
(07/09/2012) [-]
False.

It is used for the square root of all negative numbers.

Let's take -144. A perfect square is a number that has two of the same exact numbers. We lack a number fitting this criteria for -144.
#12 to #11 - iwanttousenumbers
Reply 0
(07/09/2012) [-]
If you wanted to find the square root of -144, you would first factor it into two square roots, square root of 144 and square root of -1. This gives you 12 and the square root of -1, or i.

Trust me, I learned this **** in school
#13 to #12 - exclamation
Reply 0
(07/09/2012) [-]
So did I.

I've been talking about the real number system... I think...

Sometimes, math confuses me.
#14 to #13 - iwanttousenumbers
Reply 0
(07/09/2012) [-]
Yeah, I think you might be haha