Here's the question you clicked on:
shivraj
we have 3 root 75 minus root 243?
\[\sqrt[3]{75} - \sqrt{243} , is this the question?\]
or \[3 \sqrt{75} - \sqrt{243}\] ? which one ?
\[3\sqrt{75} - \sqrt{243} = 3\sqrt{25}\sqrt{3} - \sqrt{81}\sqrt{3} = 15\sqrt{3}-9\sqrt{3} = 6\sqrt{3}\]