04-03-2011, 11:03 PM
My favorite is a question I once asked myself before.
"Does 0.999... = 1?"
Which the answer is yes. Math:
Let x = 0.99999999999...
So 10x = 9.99999999999...
Subtract those two:
10x - x = 9.00000000000...
9x = 9
x = 9/9
x = 1
Therefore, 0.99999999999999999... = 1
"Does 0.999... = 1?"
Which the answer is yes. Math:
Let x = 0.99999999999...
So 10x = 9.99999999999...
Subtract those two:
10x - x = 9.00000000000...
9x = 9
x = 9/9
x = 1
Therefore, 0.99999999999999999... = 1