Question 316188
{{{(4*sqrt(81))/16=(1*cross(4)*(9))/(4*cross(16)) }}}
{{{(4*sqrt(81))/16=9/4}}}
Is the entire expression under a square root?
if so then,
{{{sqrt(4*sqrt(81))/16=sqrt(9/4)}}}
{{{sqrt(4*sqrt(81))/16=3/2}}}
then c) is the correct answer.