0}|=\\\\=-(\sqrt7-4)+(\sqrt7-1)=-\sqrt7+4+\sqrt7-1=4-1=3" alt="\sqrt{(\sqrt7-4)^2}+\sqrt{(\sqrt7-1)^2}=|\underbrace {\sqrt7-4}_{<0}|+|\underbrace {\sqrt7-1}_{>0}|=\\\\=-(\sqrt7-4)+(\sqrt7-1)=-\sqrt7+4+\sqrt7-1=4-1=3" align="absmiddle" class="latex-formula">