- #1
- 360
- 21
(1/3)(b^2+ab+a^2)-(1/4)(b^2+2ab+a^2)
= (b-a)^2
--------
12
I am ok with this but there is am intermediate step shown
(b^2-2ab+a^2)
-------------- (2)
12
I don't see where the multiplication by 2 comes from and it is not shown in the errata.
= (b-a)^2
--------
12
I am ok with this but there is am intermediate step shown
(b^2-2ab+a^2)
-------------- (2)
12
I don't see where the multiplication by 2 comes from and it is not shown in the errata.