Question

(root 5 minus root 2) (root 5+ root 2)​

Answer 1

Answer:

$(\sqrt{5} - \sqrt{2} )( \sqrt{5} + \sqrt{2} )$

$= { \sqrt{5} }^{2} - { \sqrt{2} }^{2}$

$= 5 - 2$

$= 3$

This question is solved using the identity (a-b)(a+b) = a^- b^

Answer 2

Answer:

You question is also not clear