If three vectors satisfy and

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

Problem

If three vectors satisfy

\mathbf a\cdot\mathbf b=0

and

\mathbf a\cdot\mathbf c=0

, then

\mathbf a

is parallel to (1)

\mathbf c

(2)

\mathbf b

(3)

\mathbf b\times\mathbf c

(4)

\mathbf b\cdot\mathbf c