Is coplanar with

MATHEMATICS · Single correct · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

\mathbf{a}\times(\mathbf{b}\times\mathbf{c})

is coplanar with (1)

\mathbf{b}

and

\mathbf{c}

(2)

\mathbf{c}

and

\mathbf{a}

(3)

\mathbf{a}

and

\mathbf{b}

(4)

\mathbf{a}

\mathbf{b}

and

\mathbf{c}