Question

There are three vectors Ā = 2i - 3j , B = 3i+2k
and C = i +j+3k . Find value of 2A+B+1/2c

(1) 7i +5.5j +3.5k
(2) 71 +5j +3K (3) 7.5i -5.5j +3.5k
4)7i+8k+3k
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Answer 1

Answer:

2(2i-3j)+(3i+2k)+1/2(i+j+3k)

4i-6j+3i+2k+1/2i+1/2j+3/2k

15/2i-11/2j+7/2k

Explanation: