1. √(17-12√2)=√(9+8-2*3*2√2)=√(3²-2*3*2√2+(2√2)²=√(3-2√2)²=3-2√2.
2. √(6-(3-2√2))=√(6-3+2√2)=√(3+2√2)=√(1+2+2√2)=√(1²+2*1*√2+(√2)²)=
=√(1+√2)²=1+√2.
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1. √(17-12√2)=√(9+8-2*3*2√2)=√(3²-2*3*2√2+(2√2)²=√(3-2√2)²=3-2√2.
2. √(6-(3-2√2))=√(6-3+2√2)=√(3+2√2)=√(1+2+2√2)=√(1²+2*1*√2+(√2)²)=
=√(1+√2)²=1+√2.