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

1 Answer
ali ergin
Feb 20, 2016

(-7*sqrt 675i-sqrt 675j+25*sqrt 675k)(−7⋅√675i−√675j+25⋅√675k)

Explanation:

"step 1: find the magnitude of the vector a=(-7i-j+25k")step 1: find the magnitude of the vector a=(-7i-j+25k)
||v||=sqrt ((-7)^2+(-1)^2+25^2)||v||=√(−7)2+(−1)2+252
||v||=sqrt(49+1+625)=sqrt 675||v||=√49+1+625=√675
step 2:step2:
sqrt 675* vec a√675⋅→a
sqrt 675(-7i-j+25k)√675(−7i−j+25k)
(-7*sqrt 675i-sqrt 675j+25*sqrt 675k)(−7⋅√675i−√675j+25⋅√675k)

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