14-6√5-6√(9-2·3·√5+(√5)²)=14-6√5-6√(3-√5)²=14-6√5-6|3-√5|=
=14-6√5-6(3-√5)=14-6√5-18+6√5=-4
|3-√5|=3-√5 т.к. 3>√5 3-√5>0
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
14-6√5-6√(9-2·3·√5+(√5)²)=14-6√5-6√(3-√5)²=14-6√5-6|3-√5|=
=14-6√5-6(3-√5)=14-6√5-18+6√5=-4
|3-√5|=3-√5 т.к. 3>√5 3-√5>0