Q7Multiple correct2 Marks7 Aug 2022

Suppose $x$ and $y$ are positive real numbers. If $\log_x(4) + \log_y(16) = 0$, then which of the following options can be true for $x$ and $y$?

A

$x = 2, y = 1/4$

B

$x^2 y^2 = 1$

C

$x^2 y = 1$

D

$x = 2, y = \frac{1}{2\sqrt{2}}$