How do you find the magnitude of YZ given Y(-5,7) and Z(-1,2)?
1 Answer
Jul 7, 2017
Explanation:
#"the magnitude of a vector " ulv=((x),(y))" is"#
#|ulv|=sqrt(x^2+y^2)#
#vec(YZ)=ulz-uly=((-1),(2))-((-5),(7))=((4),(-5))#
#rArr|vec(YZ)|=sqrt(4^2+(-5)^2)=sqrt41#
