Question: Given that a = i + j - 2 k , b = 2 i + 3 j + k , and c = 3

Given that a=i+j-2k,b=2i+3j+k, and c=3jjk, calculate the following:
A.a*b
B.c(ba)
C.projab
Helps with C
Given that a = i + j - 2 k , b = 2 i + 3 j + k ,

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