a = 3i-4j+7k and b=6i -3j=2k find |a+b|

Asked by Abhas Bhargava | 9th Sep, 2013, 12:35: AM

Expert Answer:

Thus,
Thus, the magnitude of a + b is

Answered by Romal Bhansali | 9th Sep, 2013, 10:54: AM

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