Question

if a=b
2a.a-2a.b=ab-2ab+a.a
2(a.a-a.b)=a.a-ab
2=1 ??!!!

Answer 1

How is that ? 2=1 ?? :D

Answer 2

I delete a.a-a.b from both I divised

Answer 3

2(aa-ab)/(aa-ab)=1(aa-ab)/(aa-ab)
2=1 !!!

Answer 4

Good u get it :D

Answer 5

oh i didn't know it was a quiz, sorry

Answer 6

no at least u got it :D we can't divise on 0 :D

Answer 7

2a.a-2a.b=ab-2ab+a.a
2a^2-2a^2=a^2-2a^2+a^2
0=0



2(a.a-a.b)=a.a-ab
2(a^2-a^2)=a^2-a^2
2(0) =0
0=0


2=1 ??!!!

Answer 8

is that what you need?

Answer 9

I knew its wrong lol :D