Let \(\vec a, \vec b\) and \(\vec c\) be three vector having magni – McqOptions

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1.	Let \(\vec a, \vec b\) and \(\vec c\) be three vector having magnitudes 1, 1 and 2 respectively, If \(\vec a \times (\vec a \times \vec c) - \vec b = 0\) then the acute angle between \(\vec a\) and \(\vec c\) is
A.	π / 4
B.	π / 6
C.	π / 3
D.	None
Answer» C. π / 3

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