Problem

Given two vectors a=3i^2j^+k^ and b=i^+2j^3k^, find the vector ab.

Answer

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Answer

The k component of ab is 1(3)=4

Steps

Step 1 :First, we subtract the components of vector b from the components of vector a

Step 2 :The i component of ab is 3(1)=4

Step 3 :The j component of ab is 22=4

Step 4 :The k component of ab is 1(3)=4

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