Faelco on 02 April 2016
| Davman said: Guys i don't know good english but i am mathematician and you cannot replace a number with an unknown number you are looking. And in second example you made mistake in basic math execution. |
What ?
The "If x=0.999999..." or equivalent is basically the first sentence of any mathematical problem or demonstration. Of course you can replace your "0.999999999..." by x.







