CBSE Class 12-science Answered
Is it true that if a, b, c are the DR's of a given vector then (a2+ b2+c2)1/2 gives its magnitude??
Asked by | 10 Oct, 2008, 04:11: PM
Expert Answer
Yes r = a i + bj + ck
Implies Mod r = sq root of [ a2 + b2 + c2]
Answered by | 13 Oct, 2008, 01:59: PM
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