Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Calculus

Question:

The number of vectors of unit length perpendicular to both the vectors $\vec{a}=\hat{i}+2\hat{j}+3\hat{k}$ and $\vec{b}=\hat{i}-\hat{j}+3\hat{k}$ is/are :

Options:

one

two

three

infinite

Correct Answer:

two