Question

Simplify:-
(√5 - √2) (√5 - √2)​

Answer 1

Answer:

√25+√4

5+4

9 is right answer

Answer 2

Step-by-step explanation:

$( \sqrt{5} - \sqrt{2} )( \sqrt{5} - \sqrt{2} ) \\ = {( \sqrt{5} - \sqrt{2} )}^{2} \\ = {( \sqrt{5} )}^{2} - (2 \times \sqrt{5} \times \sqrt{2} ) + {( \sqrt{2}) }^{2} \\ = 5 - 2 \sqrt{10} + 4 = 9 - 2 \sqrt{10}$