Hate to be that guy but I need the extra credit! Reddit complex numbers r/theydidthemath
Here's a very classic false proof based on the idea that sqrt(ab) vs sqrt(a)*sqrt(b) if a and b are both negative. The math mistake is that sqrt(-1*-1) is not the same as sqrt(-1)*sqrt(-1) because we are not allowed to do so. I know I am like 3 days late but I hope the the person who posted this problem has gotten his/her extra credit already!
Original post on Reddit r/theydidthemath: / xzxkuhtnvx
0:00 "Proof" that 2=0?
3:48 "Proof" that i=1?
The solution to "i=1" • be careful when an imaginary number i...
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