How do you normalize #(- 7 i -j +25k)#?

1 Answer
Feb 20, 2016

Answer:

#(-7*sqrt 675i-sqrt 675j+25*sqrt 675k)#

Explanation:

#"step 1: find the magnitude of the vector a=(-7i-j+25k")#
#||v||=sqrt ((-7)^2+(-1)^2+25^2)#
#||v||=sqrt(49+1+625)=sqrt 675#
#step 2:#
#sqrt 675* vec a#
#sqrt 675(-7i-j+25k)#
#(-7*sqrt 675i-sqrt 675j+25*sqrt 675k)#