If a, b and c are three non-coplanar vectors, then (a + b + c) · [(a + b) × (a + c)] equals

If a, b and c are three non-coplanar vectors, then (a + b +… — JEE Main 1995 Mathematics PYQ

1995

\vec{a}, \vec{b}

and

\vec{c}

are three non-coplanar vectors, then

(\vec{a} + \vec{b} + \vec{c}) \cdot [(\vec{a} + \vec{b}) \times (\vec{a} + \vec{c})]

equals

Show answer

Correct option: D

[1995]

Practise Vector Algebra the way it is asked

A timed set of real JEE Main Vector Algebra questions, graded as the exam grades. No sign-up.