Which of the following is equivalent to log2(x3y)\log_2(x^3 \sqrt{y})log2(x3y)?
3log2(x)+12log2(y)3\log_2(x) + \frac{1}{2}\log_2(y)3log2(x)+21log2(y)
log2(3xy)\log_2(3x\sqrt{y})log2(3xy)
3log2(x)+2log2(y)3\log_2(x) + 2\log_2(y)3log2(x)+2log2(y)
log2(3x)+log2(12y)\log_2(3x) + \log_2(\frac{1}{2}y)log2(3x)+log2(21y)