Level:
Project ID:
2010004401
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
From the given expressions choose the one, that by substituting for \( \mbox{*} \) into a trinomial
\[ 25x^4y^2 + \mbox{*} +4\]
makes possible to express the trinomial as a square of a sum, i.e. \( (A+B)^2\).
\(20x^2y\)
\(10x^2y\)
\(100x^2y\)
\(40x^2y\)