3 ms·
I think it was reason #3... .999... = x? That was wrong. When she subtracted .999... from the left, she should have removed "x" from the right, not 1.
by jeffool 15y ago
I think it was reason #3...
.999... = x?
That was wrong.
When she subtracted .999... from the left, she should have removed "x" from the right, not 1.
- serge2k 15y agoin the .99...=x 9.99..=10x 9=9x proof? That was correct.