- Joined
- Oct 29, 2017
- Messages
- 5,345
- Reaction score
- 5,337
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Right there in the first step, multiplying by two =/= squaring :vConsider two non-zero numbers x and y such that
x = y.
Then x2 = xy.
Subtract the same thing from both sides:
x2 - y2 = xy - y2.
Dividing by (x-y), obtain
x + y = y.
Since x = y, we see that
2 y = y.
Thus 2 = 1, since we started with y nonzero.
Subtracting 1 from both sides,
1 = 0.
I was trying to fool my friend into proving that 1 does equal 0, although he was shook for a while because he didn't see the fallacy. Can you?
Right there in the first step, multiplying by two =/= squaring :v
219235426270052355
31810 | #261 | Poochyena | III |