Math problem
Aug. 19th, 2006 03:32 pm![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
kengrhttp://www.fugly.com/pictures/11232/math-problem.html
Ignore the ignorant comment about it being wrong from the start. How many of you can find the *actual* error in the problem?
Ignore the ignorant comment about it being wrong from the start. How many of you can find the *actual* error in the problem?
no subject
Date: 2006-08-19 11:34 pm (UTC)The problem is
(A + B)(A - B) = B(A-B)
To reduce this, you divide by (A-B). But look at the given. A=B. Therefore, if you divide by (A-B) what are you dividing by? <eg>