
Originally Posted by
awikaw
I think engineers probably will not agree with this reasoning.
How can a non--math oriented person prove that 2=1 (can a lawyer prove that your 2 peso is just equivalent to piso??):
1. Let a and b be equal non-zero quantities
a=b
2. Multiply through by a
a^2 = ab
3. Subtract
a^2 - b^2 = ab - b^2
4. Factor both sides
(a-b)(a+b) = b(a-b)
5. Divide out (a-b)
a+b = b
6. Observing that a=b
b+b = b
7. Combine like terms on the left
2b = b
8. Divide by the non-zero b
2 = 1
sayop ang number 3 nga statement pero sa mailad lang