Q2 of 26 Page 1

If and then find a unit vector parallel to the vector

Given


a = 4i –j + k and b = 2i - 2j + k


Now,


a + b = (4i - j + k) + (2i - 2j + k)


= (4 + 2)i + ( - 1 - 2)j + (1 + 1)k


= 6i - 3j + 2k


Unit vector =


=


=


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