Question

21 TR D. V3/5 (21 + 3j - k) E. NO.T With respect to a rectangular Cartesian coordinate syssem, cree vectors are expressed as: a = 4i-i, b = -3i+2j, c = -k, where i, j, k are unit vectors along the x, y and z-axes, respectively. The unit vector ralong the direction of the sum of these vectors is: A. 1/13 (i+j-k) B. 1/22 litj-k С. 1/3 (i-i+k) 1/3 (i + j + k) E. 0.7​

Answer 1

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