Friday, September 23
Wah some pple quite smart ah but its actually cos I set the qns wrongly... Hahaha... Heres the actual wan....
If x = y
x^2 = x*y
x^2 - y^2 = x*y - y^2
(x + y)(x - y) = y(x - y)
x + y = y
Sub x = y
2y = y
2 = 1????
Haha, im a nerd...
Jx
7:42 PM
