turkey-yks 2011 Q9

turkey-yks · Other · ygs Laws of Logarithms Solve a Logarithmic Equation
$$\frac{2^{x^{2} - y^{2}}}{4^{x^{2} + xy}} = \frac{1}{2}$$
Given that, what is the value of the expression $(x + y)^{2}$?
A) 2 B) 4 C) 1 D) $\frac{1}{2}$ E) $\frac{1}{4}$
$$\frac{2^{x^{2} - y^{2}}}{4^{x^{2} + xy}} = \frac{1}{2}$$

Given that, what is the value of the expression $(x + y)^{2}$?

A) 2
B) 4
C) 1
D) $\frac{1}{2}$
E) $\frac{1}{4}$