if A= 2i-3j+4k And B=I +2j-3k then A.B is
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Step-by-step explanation:
A.B=(2i-3j+4k).(i+2j-3k)
=(2i.i)+(-3j+2j)+(+4K-3K)
=2+(-6)+(-12)
=2-18
A.B =-16
Answer hope it will help you
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