а(3; -1; 5) >>> 2а(6; -2; 10)
b(-2; 1; 3)
2a-b(6-(-2); -2-1; 10-3) >>> 2a-b(8; -3; 7)
|2a-b|=√(8²+(-3)²+7²)=√(64+9+49)=√122
Ответ: √122
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
а(3; -1; 5) >>> 2а(6; -2; 10)
b(-2; 1; 3)
2a-b(6-(-2); -2-1; 10-3) >>> 2a-b(8; -3; 7)
|2a-b|=√(8²+(-3)²+7²)=√(64+9+49)=√122
Ответ: √122