Mark the correct alternative in each of the following: If lies in the plane of vectors and , then which of the following is correct?

Question

Philoid · Accepted Answer

Here, lies in the plane of vectors and , which means , and are coplanar.

We know that is perpendicular to and .

Also dot product of two perpendicular vector is zero.

Since, , , are coplanar, is perpendicular to .

So,