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CBSE - XI Science - Physics - Motion in a Plane

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

Asked by Abhas Bhargava 9th September 2013, 12:35 AM
Answered by Expert

Answer:

Thus,
Thus, the magnitude of a + b is
Answered by Expert 9th September 2013, 10:54 AM

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