Задача 20306 Найти /AB/ A(4,-1,0) B(-2,4,-3)...

u31173241115

03.12.2017

Найти /AB/
A(4,-1,0) B(-2,4,-3)

SOVA

03.12.2017

★

|AB|=sqrt((x_(B)-x_(A))^2+(y_(B)-y_(A))^2+(z_(B)-z_(A))^2)=

=sqrt((-2-4)^2+(4-(-1))^2+(-3-0)^2)=

=sqrt(36+25+9)=sqrt(70)