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| overset(to)(a) | = 3, | overset(to)(b)...

`| overset(to)(a) | = 3, | overset(to)(b) | = sqrt(2)//3 and | overset(to)(a) xx overset(to)(b) | =1` . find the angle between `overset(to)(a) and overset(to)(b)`

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The correct Answer is:
`= (pi)/(4)` or `(3pi)/( 4)` (any one value)
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