Question

Pls answer this question.. expr. Means expression

Answer 1

Answer

it is $\sqrt{3}$ +$\sqrt{2}$

Step-by-step explanation:

The reason is :

$=> \sqrt{27} -\sqrt{18} \\=> \\\sqrt{3*9} -\sqrt{2*9}\\\\So we know that (root 9 =3) ,\\hence it becomes \\\\\\\\sqrt{3} -\sqrt{2}\\conjugate is \\\sqrt{3} +\sqrt{2}$