What is the dot product of #<1,-4,5 ># and #<-5,7,3 >#?

Kira Yoder

Kira Yoder

Answered question

2023-03-23

What is the dot product of < 1 , - 4 , 5 > and < - 5 , 7 , 3 > ?

Answer & Explanation

plumingagcqr

plumingagcqr

Beginner2023-03-24Added 7 answers

a [ a , b , c ] b [ d , e , f ]
dot product of the vector a and b is given as :
a b = a d + b e + c f
therefore;
a b = 1 ( - 5 ) + ( - 4 ) 7 + 5 3
a b = - 5 - 28 + 15
a b = - 18

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