2010004402

Level: 
Project ID: 
2010004402
Source Problem: 
Accepted: 
0
Clonable: 
1
Easy: 
0
From the given expressions choose the one, that by substituting for \( \mbox{*} \) into a trinomial \[ 9- \mbox{*} +16a^2b^4\] makes possible to express the trinomial as a square of a difference, i.e. \( (A-B)^2\).
\(24ab^2\)
\(12ab^2\)
\(144ab^2\)
\(48ab^2\)