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Chapter 9: Q. 28 (page 627)

Use the given vectors u, v, and w to find each expression.

u=2i-3j+k,v=-3i+3j+2k,w=i+j+3k

w脳w

Short Answer

Expert verified

The required cross product is0.

Step by step solution

01

Step 1. Given Information  

We are given three vectors u,v,w and we need to find the cross product of w脳w.

02

Step 2. Finding cross product  

w=i+j+3k

The required cross product is

w脳w=ijk113113=i1313-j1313+k1111=i(1.3-1.3)-j(1.3-1.3)+k(1.1-1.1)=0

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