If such that perpendicular to then the value of λ is:

If two vectors

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The area of a triangle having the points A (1, 1, 1), B(1, 2, 3) and C(2, 3, 1) as its vertices is:

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Let be two unit vectors. If the vectors are perpendicular to each other, then the angle between

The set of x for which the angle between the is obtuse is:

The area of the parallelogram whose adjacent sides are

The projection of the vector

If two vectors

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