Given two vectors A= 4.00i +3.00j and B= 5.00i -2.00j , how do you find the vector product A times B (expressed in unit vectors)?

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Answer 1 · 2016-07-18T02:51:50

#A " x " B=-23k#

The requirement is a vector product.

The solution

#A" x "B=[(i,j,k),(4,3,0),(5,-2,0)]#

#A" x "B=3(0)i+0(5)j+4(-2)k-5(3)k-0(-2)i-0(4)j#

#A" x "B=-8k-15k#

#A" x "B=-23k#

God bless....I hope the explanation is useful.